The TP4056 is a compact and efficient lithium-ion battery charging module designed for single-cell Li-ion and LiPo batteries. Featuring a mini USB interface for easy connectivity, this module provides a constant current/constant voltage (CC/CV) charging profile with built-in overcharge, over-discharge, and current protection to ensure safe and reliable battery charging. Ideal for DIY projects and portable devices, it supports automatic charging termination when the battery is fully charged.