3S 12V 12A BMS | 18650 Lithium Battery Protection Board | 11.1V–12.6V | Balanced | Anti-Overcharge & Over-Discharge Protection S0328

Specifications:

1. Battery Type: 3S 18650 Lithium-ion / Li-ion battery pack
2. Nominal Voltage: 11.1V (fully charged 12.6V)
3. Discharge Current: 12A (continuous)
4. Charge Current: Standard charging up to 12A
5. Balance Function: Built-in balance to ensure uniform charging of all cells
6. Protection Features:
7. Overcharge protection
8. Over-discharge protection
9. Overcurrent protection
10. Short-circuit protection
11. Operating Voltage Range: 2.5V–4.25V per cell
12. Size: Compact, lightweight PCB for DIY battery packs
13. Applications: Power banks, LED lights, e-bikes, solar packs, DIY electronics
14. Installation: Easy solder pad connection for 3S battery pack

Description:

The 3S 12V 12A BMS (Battery Management System) is designed to protect and extend the life of 18650 lithium-ion battery packs. With support for 3 cells in series (3S), it ensures safe operation by providing overcharge, over-discharge, overcurrent, and short-circuit protection. The built-in balancing function keeps all cells evenly charged, improving efficiency and battery lifespan. Compact and reliable, it is perfect for DIY battery packs, LED lighting systems, power banks, and small energy storage projects.

Applications:

1. 18650 lithium-ion battery pack protection
2. LED lighting systems & emergency lamps
3. DIY power banks & solar storage
4. Small e-bikes and scooter battery packs
5. Electronic projects requiring stable 12V supply