This 42V 2A Dc power adapter is designed for 36V lithium-ion battery-powered electric bikes, e-scooters, and similar devices. It is built for high-quality conductivity, ensuring efficient charging. The adapter provides reliable charging performance, with multiple protections, including short circuit, overvoltage, and overcurrent protection. A two-color charging indicator lets you know when charging is in progress (red) or complete (green). Designed for a wide range of applications, it is perfect for electric bikes and other 36V devices.