This compact 3S Li-ion/LiPo Battery Charging & Protection Module is designed for charging and protecting a single 3.7V rechargeable lithium battery. It features a USB Type-C input and integrated power-management circuitry for battery charging, overcharge/over-discharge protection, and short-circuit/over-current protection.

The module provides dedicated B+ and B− battery terminals and includes an NTC temperature-sensing connection for safer battery operation. Its small size makes it suitable for DIY power banks, portable electronics, robotics, IoT devices, and other battery-powered projects.