3 Series 20A 18650 Lithium Battery Protection Board 11.1V 12V 12.6V
Description:
3S 20A Lithium Battery Protection Board is engineered to protect and manage 3-cell (3S) 18650 Li-ion battery packs with a nominal voltage of 11.1V and full charge voltage of 12.6V. Built for high-current applications, it supports up to 20A continuous discharge current, making it ideal for powerful devices such as e-bikes, scooters, solar power systems, power tools, and RC vehicles.
Features:
1. 3S Li-ion Battery Support
2. High Discharge Capability – 20A
3. Overcharge Protection
4. Over-discharge Protection
5. Overcurrent Protection
6. Short-Circuit Protection
7. Auto Recovery Design
8. Compact & Durable PCB Design
9. Easy Installation
10. Versatile Applications
Specifications:
| Battery Configuration | 3S |
| Nominal Voltage | 11.1V |
| Full Charge Voltage | 12.6V |
| Overcharge Detection Voltage | ~4.25V ± 0.05V |
| Operating Temperature | -40°C to +85°C |
| Connection Terminals | B+, B1, B2, B– (battery) / P+, P– (load/charger) |
| Auto Recovery | yes |
| Charging Current | Up to 10A |
| Balancing Function | Optional |
| Dimensions | 45mm × 35mm × 3mm |
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