The 1S 12A LiFePO4 BMS Protection Board is designed specifically for a single 3.2V nominal LiFePO4 cell. It supports up to 12A continuous discharge current and provides overcharge, over-discharge, overcurrent and short-circuit protection.
Full Description
The BMS 3.2V 12A LiFePO4 Battery Protection Board is designed to protect a single LiFePO4 cell in a 1S configuration. It is specifically intended for LiFePO4 chemistry and should not be confused with standard 3.7V nominal Li-Ion protection boards.
The BMS monitors the battery during charging and discharging and disconnects the battery under unsafe conditions such as overcharge, over-discharge, overcurrent and short circuit. Some versions also provide automatic recovery after a fault condition is removed.
Common versions support up to 12A continuous current, while some versions specify a peak current of approximately 17A. The appropriate charging voltage for a LiFePO4 cell is approximately 3.6–3.65V, depending on the specific board design.
Technical Specifications
| Specification |
Details |
| Product Type |
BMS / Battery Protection Board |
| Battery Chemistry |
LiFePO4 |
| Battery Configuration |
1S – Single Cell |
| Nominal Voltage |
3.2V |
| Maximum Continuous Discharge Current |
12A |
| Peak Current |
Up to 17A depending on version |
| Charging Voltage |
Approx. 3.6–3.65V |
| Overcharge Protection |
Yes |
| Over-Discharge Protection |
Yes |
| Overcurrent Protection |
Yes |
| Short-Circuit Protection |
Yes |
| Automatic Recovery |
Version dependent |
| Cell Balancing |
Not required for 1S configuration |
| Connections |
B+ / B- / P+ / P-, depending on version |
| Compatible Cells |
Single LiFePO4 cells |
| Dimensions |
Version dependent; common versions are approximately 34–41 × 7–12.5mm |
Protection thresholds and physical dimensions vary between commercially available versions, so the exact board revision should be checked before listing model-specific values.
Product Applications
- Single-cell LiFePO4 battery packs
- LiFePO4 18650 and compatible cells
- DIY battery projects
- Portable power systems
- Small energy-storage systems
- Rechargeable electronic equipment
- Robotics and electronics projects
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