4S 10A BMS LiFepo4
Description
4S 10A LiFePO₄ BMS (Battery Management System)
This 4S 10A BMS is designed for 4-series LiFePO₄ (3.2V) battery packs, offering reliable, high-current protection for your battery projects. Featuring precision overcharge, overdischarge, overcurrent, and short-circuit protection, this BMS ensures safe operation, long cycle life, and peace of mind for your power solutions. Suitable for solar storage, e-bike packs, robotics, and backup power, its robust design supports demanding DIY and industrial applications.
Technical Specifications
| Parameter | Specification |
| Supported Battery Type | LiFePO₄ (LFP) |
| Series (S) | 4S (4 cells in series) |
| Nominal Pack Voltage | 12.8V (3.2V x 4) |
| Continuous Discharge Current | 10A |
| Peak Discharge Current | 12A (short duration) |
| Continuous Charge Current | 10A |
| Overcharge Detection Voltage | 3.65V ± 0.05V (per cell) |
| Overcharge Release Voltage | 3.55V ± 0.05V |
| Overdischarge Detection | 2.50V ± 0.05V (per cell) |
| Short Circuit Protection | Yes, auto-recover |
| Overcurrent Protection | Yes, ≥10A |
| Balanced Function | Passive balancing, typically 40–60mA |
| Quiescent Current | <20μA |
| Operating Temperature | -20°C ~ +60°C |
| Wiring | B+, B1, B2, B3, B-, P+, P- |
| Applications | E-bike, solar, UPS, robotics, DIY, energy storage |
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