Introducing the Type C BMS 2S 3S 4S 1A 2A 4A Charger Board
Looking for a reliable, compact, and affordable solution to charge and protect your lithium battery packs? Meet the Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module — a powerful all-in-one module designed for DIY enthusiasts, power bank builders, and electronics hobbyists.
This versatile board supports 2S, 3S, and 4S configurations of 18650 or Li-Po batteries, offering flexible charging currents of 1A, 2A, or 4A via a modern USB Type-C input. It integrates essential battery management functions including overcharge, over-discharge, over-current, and short-circuit protection — ensuring safety and longevity for your battery packs.
Key Features:
- Wide Compatibility: Works with 2S (7.4V), 3S (11.1V), and 4S (14.8V) lithium-ion or lithium-polymer battery packs.
- Multiple Current Options: Selectable 1A, 2A, or 4A charging rates to match your battery capacity and charging speed needs.
- USB Type-C Input: Modern, reversible connector for easy and fast charging from power banks, wall adapters, or solar panels.
- Step-up Boost Function: Can boost output voltage for powering devices even when input is lower than battery voltage.
- Integrated BMS Protection: Safeguards against over-voltage, under-voltage, over-current, and short circuits.
- Compact & Lightweight: Ideal for embedding into custom power banks, portable devices, or DIY projects.
Whether you’re rebuilding an old power bank, building a solar charger, or creating a portable power solution for drones, lights, or tools, this BMS board delivers professional-grade performance at an unbeatable price.






Why Choose This BMS Board?
At just $0.41, this module offers incredible value. You’re not just buying a charger — you’re investing in a complete battery protection and charging system that would typically cost much more if purchased separately. The low price doesn’t mean low quality; it reflects efficient manufacturing and direct sourcing — perfect for bulk projects or budget-conscious makers.
Whether you’re a hobbyist, educator, or small-scale producer, this board enables you to build safer, smarter power solutions without breaking the bank.
How to Use
- Connect your lithium battery pack to the B+ and B- terminals (matching 2S/3S/4S).
- Attach your load or charging circuit to the OUT+ and OUT- terminals.
- Plug in a USB Type-C cable to charge the board — the LEDs will indicate charging status.
- The board automatically manages charging and discharging safely.
Note: Always ensure correct polarity and voltage matching before connecting batteries.
Final Thoughts
Don’t let high costs limit your creativity. For less than the price of a coffee, you can get a professional-grade BMS charger board that’s safe, versatile, and ready to power your next project. Whether you’re upgrading an old device or building something new, this module is a smart, reliable choice.
Ready to upgrade your battery projects? Click below to get yours today!
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