Description
BMS 7S 24V Li-ion 18650 Battery Protection Board with Balancing | 10A/15A/20A/30A
The BMS 7S 24V Li-ion 18650 Battery Protection Board is designed for managing and protecting 7-series lithium-ion battery packs. It provides comprehensive protection against overcharge, over-discharge, overcurrent, short circuits, and temperature-related faults while maintaining balanced charging across all cells.
Available in 10A, 15A, 20A, and 30A discharge current variants, this BMS board is ideal for DIY battery packs, electric bicycles, solar storage systems, portable power stations, backup batteries, robotics, and industrial equipment.
The integrated balancing function helps maintain uniform cell voltage levels, improving battery performance, lifespan, and safety.
Key Features
- Designed for 7S (7-Cell Series) Li-ion battery packs
- Suitable for 18650 lithium-ion batteries
- Integrated cell balancing function
- Overcharge protection
- Over-discharge protection
- Overcurrent protection
- Short-circuit protection
- Temperature protection support
- Improves battery pack lifespan
- Compact PCB design
- High-current MOSFET output stage
- Available in 10A, 15A, 20A, and 30A versions
Variants
| Variant | Continuous Discharge Current |
|---|---|
| 7S-10A | 10A |
| 7S-15A | 15A |
| 7S-20A | 20A |
| 7S-30A | 30A |
Technical Specifications
| Parameter | Specification |
|---|---|
| Battery Type | Lithium-Ion (Li-ion) |
| Cell Configuration | 7S |
| Nominal Battery Voltage | 25.2V |
| Full Charge Voltage | 29.4V |
| Protection Functions | Overcharge, Over-discharge, Overcurrent, Short Circuit |
| Balancing Function | Yes |
| Temperature Protection | Yes |
| Charging Method | CC/CV |
| PCB Material | FR4 |
| Suitable Cells | 18650 Li-ion Cells |
| Output Terminals | P+, P- |
| Battery Terminals | B+, B- |