
Description:
The 3S 20A 12.6V Li-ion 18650 Battery BMS Protection Board PCB Charger Module is a compact and reliable battery management system designed for 3-cell (3S) 18650 lithium-ion battery packs. It provides comprehensive protection against overcharge, over-discharge, overcurrent, and short circuits, helping extend battery life while ensuring safe charging and discharging. With a 20A continuous discharge current and a compact 59 × 20 × 3.4 mm design, this BMS board is ideal for DIY battery packs, portable power banks, LED lighting systems, robotics, power tools, solar energy storage, and other lithium battery-powered applications.
Built using high-quality components, the board offers stable performance, efficient power management, and enhanced battery safety. It is compatible with 12.6V 3S Li-ion battery packs using 18650 lithium-ion cells, making it an excellent choice for electronics enthusiasts, makers, and professional battery pack builders. Its lightweight and compact PCB design allows easy integration into space-constrained projects while providing dependable battery protection.
Specifications:
- Type: 3S Lithium Battery BMS Protection Board
- Battery Type: Li-ion / Lithium 18650 Cells
- Cell Configuration: 3 Series (3S)
- Full Charge Voltage: 12.6V
- Continuous Discharge Current: 20A
Features:
- Supports 3S (12.6V) 18650 Li-ion battery packs
- 20A continuous charge and discharge current
- Protects against overcharge, over-discharge, overcurrent, and short circuits
- Designed for 3-cell lithium battery management
- Compact 59 × 20 × 3.4 mm PCB module
- Ensures safe charging and longer battery life
- Ideal for DIY battery packs, robotics, UPS, power banks, solar systems, and portable electronics
Package Included:
1 x 3S 20A Li-ion Lithium Battery