TP4056 1A Li-Ion Battery Charger & Protection Module

The TP4056 1A Li-Ion Battery Charger & Protection Module is a compact charging and protection board designed for single-cell 3.7V lithium-ion and lithium-polymer batteries. It uses a constant-current/constant-voltage (CC/CV) charging method and charges the cell to approximately 4.2V. The standard module accepts around 4.5–5.5V DC input and provides a default charging current of approximately 1A. Yantronix The protection version includes circuitry for over-charge, over-discharge, over-current and short-circuit protection, making it useful for portable electronics, robotics, IoT devices, DIY power banks and battery-powered projects.