1Charging Voltage and Current: The battery charging module has stable and efficient performance and excellent protection for the battery, with a charging voltage of 3V and a charging current of 1A. 2Sturdy and Wear Resistance: Our battery charging module plates are sturdy, durable and wear resistant, suitable for longer term use. 3Short Circuit Protection: The battery charging module supports power battery protection, short circuit protection, safe and stable. 4Easy to Install: This battery charging module is easy to install, simple and convenient, and can be installed successfully by following the regular process. 5Overall Light Weight: The overall weight of our battery charging module is light, which is very portable and can be carried around at all times.