2S 3A Li-ion BMS Protection Board for 7.4V 8.4V 18650 Battery Pack
Key Highlights
- ✓2S Battery Configuration: Designed for 2 lithium-ion cells in series, providing a nominal 7.4V and 8.4V when fully charged. ✅ Over-Discharge Protection: Automatically cuts off discharge if voltage drops below 2.3V-3.0V per cell, preventing deep discharge. ✅ Current Protection: 3A continuous current handling capacity, with 5A transient current protection. ✅ Low Internal Resistance: Ensures efficient power flow with minimal loss. ✅ Compact and Durable: Small form factor, easy to integrate into battery packs.
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Battery Configuration
2 Series (2S) lithium-ion battery pack. Compatible with 18650 cells. Nominal Voltage: 7.4V (3.7V per cell nominal). Fully Charged Voltage: 8.4V (4.2V per cell when fully charged). Over-Discharge Detection Voltage: Ranges from 2.3V to 3.0V ± 0.05V per cell. Maximum Continuous Working Current: Up to 3A continuous current. Transient Current: Supports up to 5A momentary current. Internal Resistance: Less than 45mΩ, ensuring efficient power delivery. Operating Temperature: Ranges from -40°C to +50°C. Battery Interfaces: B+ / B-: Battery core connection points. P+ / P-: Battery board output terminals. MB: Connection point between the two batteries.