18650 Polymer Lithium-Ion Charger Type-C to 3S 12.6V 2A Booster Module

Power your lithium battery projects safely and efficiently with this Type-C 18650 / Polymer Lithium-Ion Charger and Boost Converter Module. Designed specifically for 3S (3-cell) lithium battery packs, this module charges and boosts voltage up to 12.6V at 2A, making it ideal for portable electronics, DIY power banks, robotics, and embedded systems.

With a modern USB Type-C input, the module provides stable charging, high efficiency, and easy integration into compact designs.

Key Features

• Supports 3S lithium-ion / lithium-polymer battery packs (12.6V full charge)

• USB Type-C input for reliable and modern power delivery

• Boost output up to 12.6V, up to 2A

• High-efficiency DC-DC boost conversion

• Compact and lightweight design

• Built-in charging and voltage boosting in one module

Technical Specifications

• Battery Type: 18650 Lithium-Ion / Polymer Lithium

• Battery Configuration: 3S (3 cells in series)

• Input Port: USB Type-C

• Output Voltage: 12.6V

• Output Current: Up to 2A

• Charging Method: CC/CV (Constant Current / Constant Voltage)

• Module Type: Charger and Booster

Applications

• DIY power banks and battery packs

• Robotics and automation projects

• Portable electronic devices

• Arduino, ESP32, and IoT power solutions

• LED lighting systems

• Custom battery enclosures and tools

Package Includes

• 1 × 18650 Polymer Lithium-Ion Charger Type-C to 3S 12.6V 2A Booster Module