The 3 piece TP4056 C-Type 18650 Battery Charging Module is an efficient charging module designed specifically for 18650-type batteries. Equipped with an inbuilt Battery Management System (BMS) and indicator, it ensures safe and reliable charging for these batteries. The module offers protection features and intelligent charging capabilities facilitated by the BMS, safeguarding against overcharging, over-discharging, and short circuits. Additionally, it comes with a visible indicator to display the charging status, allowing users to easily monitor the battery's charging progress. This module provides a convenient and secure solution for charging 18650 batteries, making it suitable for various portable electronic applications and DIY projects.