6S 12A 24V Lithium Battery Protection Board with Balance Function BMS for 18650 Li-ion

Build safer, longer-lasting lithium battery packs with this 6S 12A BMS featuring built-in cell balancing. Engineered for 24V Li-ion systems, it actively protects each cell while balancing voltages during charging—reducing heat, preventing damage, and extending battery life from day one.

Perfect for DIY battery builds, e-bikes, solar storage, UPS systems, power tools, and robotics, this compact board delivers reliable 12A continuous output with intelligent safeguards. It defends against over-charge, over-discharge, over-current, and short circuits, ensuring stable performance even under demanding loads.

Installation is straightforward, and the low-loss PCB design helps maintain efficiency. Trusted by technicians and makers, this BMS is optimized for durability and accuracy—so your 18650 packs stay balanced, safe, and dependable over hundreds of cycles. If you want professional-grade protection without complexity, this is the upgrade your 24V lithium system deserves.

Specifications

• Battery Type: Li-ion (18650 cells)
• Series Configuration: 6S (6 cells in series)
• Nominal Voltage: 22.2V
• Max Charge Voltage: 25.2V
• Continuous Discharge Current: 12A
• Balancing: Passive cell balancing
• Protections: Over-charge, over-discharge, over-current, short-circuit
• Board Material: FR-4 PCB with quality components
• Compatibility: 24V Li-ion battery packs
• Connection: Soldered terminals

Product Highlights

• Series Support: 6S lithium battery packs
• Output Current: Stable 12A continuous
• Cell Balancing: Improves pack consistency
• Safety System: Multi-level intelligent protection
• Voltage Range: Optimized for 24V systems
• Battery Cells: 18650 Li-ion compatible
• Design: Compact, lightweight PCB
• Use Cases: E-bike, solar, UPS, DIY builds
• Efficiency: Low heat, low power loss