General description 3.6V 3.7V USB Charging Cable (2 Pack) is designed for charging 2-Pin SM LiPo batteries used in various RC toys, cars, tanks, trucks, trains, and boats. This plug-and-play cable ensures a hassle-free charging experience. Technical specifications Input: 5V DC Output current: 3.6V-3.7V, 500mA Connector type: 2-pin SM-2P Usage Connect the cable to a USB charging adapter for charging. Green and red LEDs indicate charging status: red for charging, green for fully charged. Built-in IC protection unit safeguards against overload and short circuit. Automatically adjusts to USB input for quick and stable charging.