This high-efficiency DC-DC boost converter module is designed to step up low DC voltage (3V-6V) to a stable 8.4V output, ideal for charging 2S (8.4V) lithium battery packs. Equipped with a Type-C input port, it ensures convenient and modern power connectivity.Perfect for DIY electronics, battery charging systems, portable devices, and embedded power projects.

Technical Specifications:

Input Voltage: DC 3V-6V

Output Voltage: 8.4V (Fixed)

Output Current: Up to 1A

Port Type: Type-C

Battery Support: 2S Lithium Battery Pack (8.4V full charge)

Conversion Type: Step-Up (Boost) Converter

Key Features:

Stable 8.4V Output – Optimized for 2S lithium battery charging

 Type-C Power Input – Easy and universal connection

 High Efficiency Conversion – Low heat generation

 Compact PCB Design – Ideal for embedded and DIY projects

  Easy Integration – Clearly labeled input/output pads

3S lithium battery charging systems

DIY power bank projects

Arduino & microcontroller projects