Car start power charging bms 3S 4S 5S 7A 14A 18650 BMS Li-ion/Lifepo4 battery protection board
SPECIFICATIONS
Accessory Type: Battery Accessories
Battery Included: no
Brand Name: Heltecbms
Certification: CE
Charger included: N
Choice: yes
Electronic: no
High-concerned chemical: none
Origin: Mainland China
PCBincluded: Yes
Voltage range: No voltage
semi_Choice: yes

3S 7A 3.7V
Size: 31*45*6mm
Maximum operating current: 7A
Upper limit instantaneous current: 10A
Overcharge voltage range: 4.25±0.05V
Over-discharge voltage range: 2.7V±0.05V
Charging voltage: 12.6V-13V
Quiescent current: >30uA
Short circuit protection: Yes, delayed self-recovery
4S 7A 3.7V
Size: 31*45*6mm
Maximum operating current: 7A
Upper limit instantaneous current: 10A
Overcharge voltage range: 4.25±0.05V
Over-discharge voltage range: 2.7V±0.05V
Charging voltage: 16.8V-17V
Quiescent current: >30uA
Short circuit protection: Yes, delayed self-recovery
5S 7A 3.7V
Size: 31*45*6mm
Maximum operating current: 7A
Upper limit instantaneous current: 10A
Overcharge voltage range: 4.25±0.05V
Over-discharge voltage range: 2.7V±0.05V
Charging voltage: 21V-22V
Quiescent current: >30uA
Short circuit protection: Yes, delayed self-recovery
3S 14A 3.2V
Size: 31*45*6mm
Maximum operating current: 14A
Upper limit instantaneous current: 20A
Overcharge voltage range: 3.65±0.05V
Over-discharge voltage range: 2.32V±0.05V
Charging voltage: 10.8V-11V
Quiescent current: >30uA
Short circuit protection: Yes, delayed self-recovery
4S 14A 3.2V
Size: 31*45*6mm
Maximum operating current: 14A
Upper limit instantaneous current: 20A
Overcharge voltage range: 3.65±0.05V
Over-discharge voltage range: 2.32V±0.05V
Charging voltage: 14.4V-15V
Quiescent current: >30uA
Short circuit protection: Yes, delayed self-recovery
5S 14A 3.2V
Size: 31*45*6mm
Maximum operating current: 14A
Upper limit instantaneous current: 20A
Overcharge voltage range: 3.65±0.05V
Over-discharge voltage range: 2.32V±0.05V
Charging voltage: 18V-19V
Quiescent current: >30uA
Short circuit protection: Yes, delayed self-recovery




- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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