Product Overview
Elevate your DIY projects with our 1-20Pcs Lithium Battery Charging Board 1A 3.7V/4.2V Charger Module. Designed for precision and safety, this charger module features a robust protection circuit and a convenient Type‑C interface, making it the perfect companion for any lithium‑ion or lithium‑polymer battery application.
Key Features
- High‑Efficiency 1A Output: Reliable current regulation for fast, safe charging.
- Voltage Flexibility: Supports 3.7V nominal and 4.2V full‑charge voltage ranges.
- Integrated Protection Circuit: Over‑charge, over‑discharge, short‑circuit, and temperature protection built‑in.
- Type‑C USB Interface: Modern, reversible connector for easy integration into PCBs and DIY kits.
- Compact Design: 12 mm × 12 mm footprint, ideal for space‑constrained projects.
- Wide Input Voltage: 5 V DC input, compatible with USB power supplies and power banks.
- Mass‑Production Friendly: Available in 1‑20‑piece packs for prototyping or small‑scale production.
Technical Specifications
- Input Voltage: 5 V DC
- Output Current: 1 A (adjustable)
- Charging Voltage: 4.2 V (max) – 3.7 V (nominal)
- Protection: Over‑charge, over‑discharge, short‑circuit, thermal cut‑off
- Connector: USB Type‑C (reversible)
- Dimensions: 12 mm × 12 mm × 2 mm
- Operating Temperature: 0 °C – 60 °C
- Packaging: 1‑20 pcs per carton
Applications & Compatibility
This charger module is ideal for a wide range of electronic projects:
- Portable power banks and solar charger kits
- RC vehicles, drones, and robotics
- Wearable devices and IoT sensors
- Custom battery management systems (BMS)
- Educational STEM kits and hobbyist prototypes
Why Choose This Lithium Battery Charger?
With its combination of safety, efficiency, and modern connectivity, this module stands out in the market:
- Safety first: Built‑in protection protects both the battery and the user.
- Future‑proof: Type‑C interface ensures compatibility with the latest devices.
- Scalable: From single units to 20‑piece kits, perfect for prototyping or small production runs.
- Cost‑effective: High quality at an affordable price point.
- Easy to integrate: Standard PCB footprints and clear pinout.
Package Includes
- 1‑20 pcs Lithium Battery Charging Boards
- Type‑C USB Connector (included on board)
- Quick‑Start Guide and Pinout Diagram
- Warranty Card (30 days)
Customer Support
Our dedicated support team is ready to help with integration questions, firmware updates, or any product inquiries. Contact us via email or live chat, and experience hassle‑free service.
Price: Original price was: $ 3.45.$ 1.66Current price is: $ 1.66.

