The Type-C Multi-Cell Step-Up Boost Charger Module is designed for charging 2-cell (2S) lithium-ion or lithium-polymer battery packs by boosting standard 5V USB Type-C input to a stable 8.4V charging voltage. Featuring built-in protection and efficient DC-DC conversion, this module is ideal for DIY battery packs, portable equipment, robotics, and energy storage projects. Its USB Type-C input makes it compatible with modern chargers and power banks.

Features:

1. Boost converter designed for charging 2S (7.4V) lithium battery packs
2. USB Type-C input for universal compatibility
3. Provides stable 8.4V charging output
4. High-efficiency DC-DC step-up design
5. Built-in protection features (varies by batch)
6. Suitable for portable devices, DIY electronics, and battery charging setups
7. Compact PCB for easy integration into multi-cell battery projects

Specifications:

• Module Type: Step-Up (Boost) Lithium Battery Charger
• Input Voltage: 5V (USB Type-C)
• Output Voltage: 8.4V (for 2S Lithium-ion/LiPo batteries)
• Battery Compatibility: 2S (7.4V nominal) lithium battery packs
• Charging Current: 1A 
• Conversion Type: DC-DC boost
• Efficiency: High (typically 85%–92%)
• Charging Method: Constant Voltage (CV)
• Input Connector: USB Type-C
• Indicators: Charging/Full LEDs 
• Operating Temperature: –10°C to +60°C
• Applications: DIY battery packs, portable systems, robotics, RC electronics, energy storage

Package Includes:

1 × Type-C 2S 8.4V Multi-Cell Step-Up Boost Lithium Battery Charger Module