2PCS 7.4V 3000mAh 15C 2S Li-ion Battery with SM-4P Plug and USB Charging Cable for EC08, DE85, Remote Control Cars, Trucks, Boats, Drones, and

Package contents: 2PCS+2PCS USB charging cables 1. Special note: Before ordering, please make sure that the positive and negative power cables of your product are completely consistent with the positive and negative power cables of the products we sell. If the positive and negative do not match, do not use it. - Black wire is negative + Red wire is positive 2. This is equipped with an SM-4P connector and is suitable for EC08 DE85 remote control toy cars and high-speed remote control car spares. This is compatible with most RC remote control cars, toy remote control cars, remote control special vehicles, remote control trucks, high-speed off-road vehicles, electric toy cars, remote control ships, remote control drones, and quadcopter aircraft. 3. Installation is only possible if the voltage, dimensions, and plug match. 4. Please charge before use. If the power is insufficient, please stop using it and charge it in a timely manner to avoid over-discharging or damage.