Ultra small 3.7V Charging Module - USB Type-C

Super-Small 18650 3.7V 4.2V Type-C USB Lithium Battery Charging Module Pad with Protection . The USB Type-C Lithium Battery Charging Board Module is a compact and high-efficiency charger designed to safely charge 3.7V Li-ion or Li-Polymer batteries. It features a Type-C USB input port and an onboard charging control chip that manages the charging process with over-voltage, over-current, and short-circuit protection. The module provides a stable 5V input and 1A charging current, making it ideal for DIY electronics, battery packs, wearable devices, and portable projects. With its integrated charging IC, this board ensures safe and reliable battery charging through automatic cutoff once the battery reaches full capacity. USB Type-C input port for easy power connection. Supports 3.7V lithium-ion / Li-Po battery charging. Constant current / constant voltage (CC/CV) charging mechanism. Built-in protection – overcharge, over-discharge, short-circuit, and reverse polarity. LED indicators for charging and full-charge status.  Compact and lightweight – perfect for DIY and embedded projects. Plug-and-play design, no soldering needed for testing setups.