Features Charging 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. Sturdy and Wear Resistance: Our battery charging module plates are sturdy, durable and wear resistant, suitable for longer term use. Short Circuit Protection: The battery charging module supports power battery protection, short circuit protection, safe and stable. Easy to Install: This battery charging module is easy to install, simple and convenient, and can be installed successfully by following the regular process. Overall Light Weight: The overall weight of our battery charging module is light, which is very portable and can be carried around at all times. Specification: Item Type: NiMH Battery Charging Board Material: PCB Input Voltage: DC 3.7-6V (DC 3.7V 3.8V 4.5V recommended) Charging Voltage: 3V Charging Current: 1A Package List:2 x Battery Charging Board Package List 2 x Battery Charging Board