The TP4056 5V 1A Li-ion Battery Charger Module is a compact and efficient charging solution designed for single-cell 3.7V lithium-ion and lithium-polymer batteries. Featuring a Micro USB input, this module allows convenient charging using standard USB power sources such as adapters, power banks, or computer USB ports.

Built around the TP4056 charging IC, the module uses a constant current/constant voltage (CC/CV) charging method to ensure safe and efficient battery charging. It includes onboard LED indicators to display charging status—red for charging and blue/green for fully charged.

This module is widely used in DIY electronics, power bank circuits, IoT devices, and embedded systems. Its small size and ease of use make it suitable for both beginners and professionals.