{"title":"All Products","description":null,"products":[{"product_id":"drl-racer-4s-raw","title":"DRL Racer 4s - RAW","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWe are out of the office, estimated ship date is:  10\/23\/2026\u003cbr\u003e\u003cbr\u003eThis is the base version of the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDRL Racer4s, as acquired from the DRL auction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It’s intended for buyers who want a starting point for their own conversion, a display project, or a source of parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eThis is not a ready-to-fly drone.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e It includes DRL’s original proprietary video and control systems and will require additional hardware and configuration before it can be flown with conventional FPV equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDRL Racer4s with the original proprietary DRL receiver and video-transmitter hardware installed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstructions for cycling through the available LED colors.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMissing Parts \u0026amp; Required Hardware\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese raw drones do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eA VTX antenna.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShell screws.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePropellers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProp nuts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA battery.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTo secure the shell, you’ll need:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e4 × M3 screws, 25 mm long.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e4 × M3 screws, 12 mm long.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou will also need a compatible receiver and video solution, along with the appropriate installation and configuration, to convert the drone for flight. Do not assume the installed DRL systems will connect to your existing radio or goggles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCondition \u0026amp; Pre-Shipment Testing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese are previously used auction drones. Cosmetic wear may be present.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore shipment, each drone is powered on to confirm that:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eThe LEDs illuminate.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eThe drone produces startup tones.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is a limited power-on check. It does \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e verify flight readiness or confirm that every component functions correctly. These base drones are not test-hovered as part of this check.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLED Colors\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstructions for cycling through the available LED colors are included. An external LED color-change button is not included with this base version; changing colors requires access to the internal controls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLooking for a More Complete Setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSee our other product listings for display packages and versions with upgraded receiver and video hardware. Each listing explains what is included and what you’ll need to supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWatch the launch video for a closer look at the drone, conversion options, and additional details:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/www.youtube.com\/watch?v=6tlr1lD9flw\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003eFirmware \u0026amp; Files:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/drive.google.com\/drive\/folders\/1eaGZFEpuia18d4xntFWQE_yKxnLlaL5y?usp=sharing\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Heart of America FPV","offers":[{"title":"Default Title","offer_id":44334704132174,"sku":null,"price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9444\/7438\/files\/bc81d757-6d95-4ffc-9056-0569d4781da6.jpg?v=1789413708"},{"product_id":"drl-racer-4s-ready-to-fly","title":"DRL Racer4s - HDZero + ELRS Edition","description":"\u003cp\u003eCOMING SOON!\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAn original DRL Racer4s, upgraded with an HDZero digital video system, an ExpressLRS receiver, and updated Betaflight firmware. This configuration pairs the Racer4s platform with equipment you can use with your own compatible radio and goggles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eInstalled Hardware \u0026amp; Firmware\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe original proprietary DRL receiver and video transmitter have been removed and replaced with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRadioMaster XR1 ELRS receiver\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, updated to ExpressLRS 4.x.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eHDZero Race V2 video transmitter.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eHDZero Nano 90 V2 camera.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe flight controller has been flashed with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBetaflight 26.1 using our custom HOAR4s target\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The HDZero\/Betaflight on-screen display is fully functional. Smartaudio style commands are not currently working but stick commands and OSD for channel changes works fine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant: Updated Flight Configuration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis firmware upgrade replaces the original DRL flight-controller configuration. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThe original tune, rate profiles, and settings are no longer installed.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Expect the drone’s flight characteristics and control feel to differ from its original DRL configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe original DRL Betaflight 3.6 configuration dump will be available in our technical documentation for reference or for owners interested in returning to the original firmware and configuration. Restoring it requires the corresponding compatible firmware; the original dump should not be applied directly to Betaflight 26.1.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDRL Racer4s with the installed HDZero video system and ELRS receiver.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUpdated firmware and configuration as described above.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOne set of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7-inch race propellers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstructions for cycling through the available LED colors.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eA battery is not included.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e You will also need a compatible ExpressLRS transmitter or transmitter module and an HDZero-compatible viewing setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLED Colors \u0026amp; Optional Button\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe drone’s LED colors can be changed without adding an external button, but doing so requires access to the internal controls. Instructions are included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor easier access, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eadd the optional LED color-change button to your cart separately\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e if you would like one installed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCondition \u0026amp; Pre-Shipment Testing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is a converted, previously used DRL drone. Cosmetic wear may be present.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore shipment, each drone is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePowered on to confirm LED operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChecked to confirm the receiver is configured.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTest-hovered to verify basic flight operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe test hover is a basic operational check. You may still want to adjust rates and other flight settings to suit your preferences before race use.\u003cbr\u003e\u003cbr\u003eExpected to ship: October 1st\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWatch the launch video for a closer look at the drone, the conversion, and additional details:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/www.youtube.com\/watch?v=6tlr1lD9flw\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFirmware \u0026amp; Files:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/drive.google.com\/drive\/folders\/1eaGZFEpuia18d4xntFWQE_yKxnLlaL5y?usp=sharing\u003c\/p\u003e","brand":"Heart of America FPV","offers":[{"title":"Default Title","offer_id":44335589687374,"sku":null,"price":849.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9444\/7438\/files\/331ba111-e13e-4960-be3f-c8c8697d23fa.jpg?v=1789624198"},{"product_id":"drl-racer-4s-display-bundle","title":"DRL Racer 4s - Display Bundle","description":"\u003cp\u003eCOMING SOON!\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eYou can absolutely DIY this for less.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The stand design is available for free, and you can put together your own display setup. But if you’d rather skip sourcing the parts and installing the LED button, this package takes care of that for you.\u003cbr\u003e\u003cbr\u003eLink to the stand:\u003cbr\u003e\u003ca href=\"https:\/\/www.thingiverse.com\/thing:7412308\/files\"\u003ehttps:\/\/www.printables.com\/model\/1849072-desktop-stand-for-drl-racer-4s\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eButton STL and Amazon:\u003cbr\u003ehttps:\/\/www.thingiverse.com\/thing:7412311\u003cbr\u003ehttps:\/\/www.amazon.com\/dp\/B0FJF67CFJ?ref=ppx_yo2ov_dt_b_fed_asin_title\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt’s an original DRL Racer4s with its original hardware, paired with a display stand, a compatible power supply, and an installed LED color-change button. Set it on a shelf, desk, or workbench, plug it in, and enjoy the lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou’re paying for the drone, the included accessories, and the convenience of having the display setup prepared before it ships.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOriginal DRL Racer4s\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with its original hardware, including the proprietary receiver and video transmitter.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eA display stand\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e made from my freely available stand design.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eA compatible power supply\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for powering the display from a wall outlet.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAn installed LED color-change button\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e so you can cycle through the available colors without opening the drone.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eA Display Package, Not a Ready-to-Fly Setup\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis package is intended for displaying the drone. The original proprietary DRL receiver and video transmitter remain installed, but \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eI do not currently know of a practical way to use them with conventional FPV equipment.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Their inclusion should not be taken to mean you can bind your radio or connect your goggles and fly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf you decide to convert the drone for flight, you can add a compatible receiver and video transmitter, or pursue an HDZero conversion. Those modifications require additional hardware, installation, and configuration. We’ll provide video guidance covering the conversion options.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eVideo \u0026amp; OSD Limitations\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIn its original configuration, the drone does \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provide a working Betaflight on-screen display. The original camera provides a basic camera-based overlay, which is separate from Betaflight’s OSD.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAn HDZero conversion is a separate upgrade with its own hardware and firmware requirements; it is not included in this package.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCondition \u0026amp; Pre-Shipment Testing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is a previously used DRL drone, so cosmetic wear may be present.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore shipment, each display package is powered on to confirm that:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe LEDs illuminate.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe installed button cycles through the LED colors.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eThis is a display-function check, not a flight test.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The original receiver and video transmitter are not verified for use with consumer equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePrefer to Build Your Own?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eGo for it—that’s why I made the stand design available for free. This package is simply for anyone who would rather have the parts gathered and the button installed, ready to set up and show off.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWatch the launch video for a closer look at the drone, the display setup, and additional details:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/www.youtube.com\/watch?v=6tlr1lD9flw\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003eFirmware \u0026amp; Files:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/drive.google.com\/drive\/folders\/1eaGZFEpuia18d4xntFWQE_yKxnLlaL5y?usp=sharing\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Heart of America FPV","offers":[{"title":"Default Title","offer_id":44342788784206,"sku":null,"price":599.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9444\/7438\/files\/50522870-e318-4a74-a95f-e2e8e0524112_5bef341b-20b5-4c41-bd3a-fa6083ed3dfe.jpg?v=1789624152"},{"product_id":"hoar4s-defibrillator-practice-board","title":"HOAR4s Defibrillator -  (Practice Board)","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWe are out of the office, estimated ship date is:  10\/23\/2026\u003cbr\u003e\u003cbr\u003eGive your DRL Racer4 a new lease on life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HOAR4s Defibrillator is a breakout board designed to make the Racer4’s original electronics easier to connect to a conventional receiver and analog video transmitter. It plugs into the connector originally used by DRL’s RF equipment and exposes connections for installing your own equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhy this board exists\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen DRL sent practice drones to its pilots, those drones needed to operate without the league’s specialized Race Stack system, which handled video and control connections. DRL provided a similar breakout board so pilots could connect alternative equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HOAR4s Defibrillator follows that same approach, bringing the connections from the original RF connector out to accessible solder pads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAvailable connections\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe board provides access to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe analog video signal intended for the video transmitter.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe receiver control connection.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5V power and ground.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdditional UART TX\/RX connections mapped to match the original breakout board.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe UART number associated with those additional TX\/RX connections has not yet been confirmed. They are exposed to match the original board, but their function and configuration should be verified before relying on them for a particular accessory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat this board does—and what it doesn’t\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis board makes the original connector easier to work with. You will still need to install and configure a compatible receiver and video transmitter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIt does not unlock access to the flight controller’s onboard analog OSD chip.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e With the analog configuration described here, you will have a camera feed without Betaflight’s on-screen display overlay. It should include the original DRL OSD but it offered very little OSD information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe exposed power pads provide 5V. Confirm that your receiver and video transmitter support that voltage and that their power requirements are compatible with the available supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs this board required to fly the drone?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo. Depending on your setup, you may be able to connect your equipment directly to the flight controller.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe flight controller has a pad labeled \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSBUS\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e that can be used with an appropriately configured, compatible receiver. An ELRS receiver must support and be configured for the required SBUS output; simply connecting a receiver running its usual CRSF output will not make it work through that input.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor a basic analog installation, the camera’s video output can be connected directly to the video transmitter. That arrangement also bypasses the flight controller’s analog OSD.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Defibrillator provides a convenient connection point for a conversion, but it is not the only way to get a Racer4 flying.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat about HDZero?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis board is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot required for an HDZero conversion\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMy personal preference for a Racer4 that I intend to fly is to install HDZero and update the flight controller with our custom target on the current version of Betaflight. That is a separate conversion path with its own wiring and firmware requirements; installing this breakout board alone does not perform that upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWho is this board for?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HOAR4s Defibrillator is for Racer4s owners who want to reuse the drone’s original electronics and need a practical way to connect a conventional receiver and analog video transmitter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a DIY conversion component. Soldering, receiver setup, and flight-controller configuration are required. Choose it with a clear understanding of the available connections and the analog OSD limitation described above.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFirmware \u0026amp; Files:\u003c\/strong\u003e\u003cbr\u003ehttps:\/\/drive.google.com\/drive\/folders\/1eaGZFEpuia18d4xntFWQE_yKxnLlaL5y?usp=sharing\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eProduct does not include a vtx or receiver. \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Heart of America FPV","offers":[{"title":"Default Title","offer_id":44347635335246,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9444\/7438\/files\/828532985_10244691062832538_7591016237926753007_n.jpg?v=1790803219"},{"product_id":"racer-4s-raw-used-drl-racer4-5s-battery","title":"Racer 4s RAW + USED DRL 5s Battery","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003cstrong\u003eWe are out of the office, estimated ship date is:  10\/23\/2026\u003cbr\u003e\u003cbr\u003eRacer 4s - RAW\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis is the base version of the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDRL Racer4s, as acquired from the DRL auction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It’s intended for buyers who want a starting point for their own conversion, a display project, or a source of parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eThis is not a ready-to-fly drone.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e It includes DRL’s original proprietary video and control systems and will require additional hardware and configuration before it can be flown with conventional FPV equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDRL Racer4s with the original proprietary DRL receiver and video-transmitter hardware installed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstructions for cycling through the available LED colors.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMissing Parts \u0026amp; Required Hardware\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese raw drones do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eA VTX antenna.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShell screws.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePropellers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProp nuts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA battery.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTo secure the shell, you’ll need:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e4 × M3 screws, 25 mm long.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e4 × M3 screws, 12 mm long.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou will also need a compatible receiver and video solution, along with the appropriate installation and configuration, to convert the drone for flight. Do not assume the installed DRL systems will connect to your existing radio or goggles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCondition \u0026amp; Pre-Shipment Testing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese are previously used auction drones. Cosmetic wear may be present.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore shipment, each drone is powered on to confirm that:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eThe LEDs illuminate.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eThe drone produces startup tones.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is a limited power-on check. It does \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e verify flight readiness or confirm that every component functions correctly. These base drones are not test-hovered as part of this check.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLED Colors\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstructions for cycling through the available LED colors are included. An external LED color-change button is not included with this base version; changing colors requires access to the internal controls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLooking for a More Complete Setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSee our other product listings for display packages and versions with upgraded receiver and video hardware. Each listing explains what is included and what you’ll need to supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWatch the launch video for a closer look at the drone, conversion options, and additional details:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/www.youtube.com\/watch?v=6tlr1lD9flw\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003eUSED DRL Racer 4 5s Battery Pack\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is the original battery pack used in the DRL Racer4s. The label lists it as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2300mAh 5S pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, although based on its size, weight, and performance, I suspect that capacity rating is generous. Actual capacity has not been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLet’s be clear: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethese batteries are VERY used, and you’re paying for rarity—not fresh cells or impressive performance.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This is the only lot I was able to secure for the store. If the price doesn’t make sense to you, I completely understand. I’m happy to keep them for myself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat you should know:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Heavily used; what I would describe as fair condition.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTesting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Packs are at storage voltage, but I have not cycled or capacity-tested them. Remaining life and performance are unknown.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNo performance guarantee:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e You could receive a weak or nonfunctional pack.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBattery safety:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e These used packs may fail during charging or use, including catching fire. Inspect before use, use an appropriate balance charger, and never charge unattended. Do not charge a swollen or damaged pack.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePurchase limit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One battery per Racer4s purchased in the same order, while supplies last. We have fewer batteries than drones.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eShipping:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ground shipping only.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eSold as is.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ePlease understand the condition and uncertainty before purchasing. These are original DRL packs with a racing history—not new batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFirmware \u0026amp; Files:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/drive.google.com\/drive\/folders\/1eaGZFEpuia18d4xntFWQE_yKxnLlaL5y?usp=sharing\u003c\/p\u003e","brand":"Heart of America FPV","offers":[{"title":"Default Title","offer_id":44369039360078,"sku":null,"price":533.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9444\/7438\/files\/bc81d757-6d95-4ffc-9056-0569d4781da6.jpg?v=1789413708"},{"product_id":"drl-racer-4s-hd-zero-bnf-used-drl-5s-battery","title":"DRL Racer 4s - HD Zero BNF + USED DRL 5s Battery","description":"\u003cp\u003e\u003cstrong\u003eDRL Racer 4s - HDZero\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAn original DRL Racer4s, upgraded with an HDZero digital video system, an ExpressLRS receiver, and updated Betaflight firmware. This configuration pairs the Racer4s platform with equipment you can use with your own compatible radio and goggles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eInstalled Hardware \u0026amp; Firmware\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe original proprietary DRL receiver and video transmitter have been removed and replaced with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRadioMaster XR1 ELRS receiver\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, updated to ExpressLRS 4.x.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eHDZero Race V2 video transmitter.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eHDZero Nano 90 V2 camera.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe flight controller has been flashed with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBetaflight 26.1 using our custom HOAR4s target\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The HDZero\/Betaflight on-screen display is fully functional. Smartaudio style commands are not currently working but stick commands and OSD for channel changes works fine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant: Updated Flight Configuration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis firmware upgrade replaces the original DRL flight-controller configuration. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThe original tune, rate profiles, and settings are no longer installed.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Expect the drone’s flight characteristics and control feel to differ from its original DRL configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe original DRL Betaflight 3.6 configuration dump will be available in our technical documentation for reference or for owners interested in returning to the original firmware and configuration. Restoring it requires the corresponding compatible firmware; the original dump should not be applied directly to Betaflight 26.1.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDRL Racer4s with the installed HDZero video system and ELRS receiver.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUpdated firmware and configuration as described above.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOne set of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7-inch race propellers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstructions for cycling through the available LED colors.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eA battery is not included.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e You will also need a compatible ExpressLRS transmitter or transmitter module and an HDZero-compatible viewing setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLED Colors \u0026amp; Optional Button\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe drone’s LED colors can be changed without adding an external button, but doing so requires access to the internal controls. Instructions are included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor easier access, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eadd the optional LED color-change button to your cart separately\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e if you would like one installed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCondition \u0026amp; Pre-Shipment Testing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is a converted, previously used DRL drone. Cosmetic wear may be present.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore shipment, each drone is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePowered on to confirm LED operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChecked to confirm the receiver is configured.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTest-hovered to verify basic flight operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe test hover is a basic operational check. You may still want to adjust rates and other flight settings to suit your preferences before race use.\u003cbr\u003e\u003cbr\u003eExpected to ship: October 1st\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWatch the launch video for a closer look at the drone, the conversion, and additional details:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003ehttps:\/\/www.youtube.com\/watch?v=6tlr1lD9flw\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUSED DRL Racer 4 5s Battery Pack\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is the original battery pack used in the DRL Racer4s. The label lists it as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2300mAh 5S pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, although based on its size, weight, and performance, I suspect that capacity rating is generous. Actual capacity has not been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLet’s be clear: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethese batteries are VERY used, and you’re paying for rarity—not fresh cells or impressive performance.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This is the only lot I was able to secure for the store. If the price doesn’t make sense to you, I completely understand. I’m happy to keep them for myself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat you should know:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Heavily used; what I would describe as fair condition.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTesting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Packs are at storage voltage, but I have not cycled or capacity-tested them. Remaining life and performance are unknown.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNo performance guarantee:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e You could receive a weak or nonfunctional pack.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBattery safety:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e These used packs may fail during charging or use, including catching fire. Inspect before use, use an appropriate balance charger, and never charge unattended. Do not charge a swollen or damaged pack.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePurchase limit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One battery per Racer4s purchased in the same order, while supplies last. We have fewer batteries than drones.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eShipping:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ground shipping only.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eSold as is.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ePlease understand the condition and uncertainty before purchasing. These are original DRL packs with a racing history—not new batteries.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFirmware \u0026amp; Files:\u003c\/strong\u003e\u003cbr\u003ehttps:\/\/drive.google.com\/drive\/folders\/1eaGZFEpuia18d4xntFWQE_yKxnLlaL5y?usp=sharing\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Heart of America FPV","offers":[{"title":"Default Title","offer_id":44369080942670,"sku":null,"price":884.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9444\/7438\/files\/331ba111-e13e-4960-be3f-c8c8697d23fa.jpg?v=1789624198"}],"url":"https:\/\/heartofamericafpv.com\/collections\/all-products.oembed","provider":"Heart of America FPV","version":"1.0","type":"link"}