4S 10A Battery BMS Module with Connector for 3.7V NMC Cells

4S 10A Battery BMS Module with Connector for 3.7V NMC Cells is designed to protect and manage 4-series (4S) 3.7V NMC lithium battery packs by providing overcharge, over-discharge, overcurrent, and short-circuit protection. Featuring a compact design with a balance connector, it ensures safe charging, stable discharging, and extended battery life for DIY battery packs, portable power systems, electric vehicles, and energy storage applications.

About The Sensor

The NTC (Negative Temperature Coefficient) sensor in a Battery Management System (BMS) continuously monitors the temperature of the battery pack to ensure safe operation. As the battery temperature increases, the resistance of the NTC sensor decreases, allowing the BMS to detect overheating. If the temperature exceeds the preset safety limit, the BMS automatically disconnects charging or discharging to protect the battery from damage, overheating, and potential thermal runaway. Once the temperature returns to the safe operating range, the BMS restores normal operation, ensuring enhanced battery safety, reliability, and longer service life.

Features:

1. 4S Lithium Battery Protection Module
2. Designed for 3.7V NMC Lithium Cells
3. 10A Continuous Charging & Discharging Current
4. Built-in Overcharge Protection
5. Built-in Over-Discharge Protection
6. Overcurrent & Short Circuit Protection
7. High-Precision Voltage Detection
8. Balance Connector for Cell Monitoring
9. Compact PCB Design
10. Suitable for DIY Battery Packs and Energy Storage Applications

Specifications:

Parameter	Value
Product Type	4S Battery BMS Module
Battery Type	3.7V NMC Lithium Cells
Cell Configuration	4S
Charging Voltage	DC 16.8V (CC/CV)
Continuous Charging Current	10A Max
Continuous Discharge Current	10A Max
Overcharge Detection	4.25 ± 0.05V/Cell
Over-Discharge Detection	3.0 ± 0.1V/Cell
Overcurrent Detection	15 ± 3A
Operating Temperature	-45°C to +65°C
Storage Temperature	-45°C to +85°C
Connector	Balance Connector

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Package Includes:

1 x 4S 10A Battery BMS Module with Connector for 3.7V NMC Cells