The 4S 6A LFP Battery Protection BMS Module is a compact battery management and protection board designed specifically for 4-series Lithium Iron Phosphate (LiFePO4/LFP) battery packs. It is designed to work with four 3.2V nominal LFP cells connected in series, providing a nominal battery-pack voltage of approximately 12.8V and a fully charged voltage of approximately 14.6V. The module helps protect the connected cells against overcharging, over-discharging, overcurrent, and short-circuit conditions during normal battery operation.
The BMS continuously monitors the voltage of the cells in the 4S battery pack and provides protection when the battery reaches an unsafe voltage or current condition. It is designed for LFP chemistry and should not be confused with a conventional 4S lithium-ion BMS, as LiFePO4 cells have different charging and voltage characteristics. Using the correct BMS chemistry is important for safe and reliable battery-pack operation.
With a rated current of approximately 6A, this module is suitable for low-to-medium current 4S LFP battery applications. It can be used with compatible 3.2V LFP cells such as cylindrical LiFePO4 cells and other suitable LFP battery formats. The module can be integrated into DIY battery packs for portable electronics, LED systems, small robotics, IoT devices, backup power systems, and other applications requiring a protected 12.8V-class battery pack.
The BMS uses dedicated battery connections for the individual series cells, allowing the protection circuit to monitor the complete pack and the voltage of each cell section. Correct wiring is essential for proper operation. The cells used in the battery pack should be compatible, properly matched, and connected according to the BMS terminal markings. A suitable LiFePO4 charger designed for a 4S 12.8V battery pack should be used for charging.
Designed for battery-pack builders, electronics hobbyists, robotics enthusiasts, engineers, technicians, and DIY makers, the 4S 6A LFP Battery Protection BMS Module provides a practical protection solution for rechargeable LiFePO4 battery packs. It is suitable for applications where reliable cell protection and a compact battery-management solution are required.
4S LFP Battery Protection BMS Module
Designed for LiFePO4 / LFP Battery Cells
Suitable for 3.2V Nominal LFP Cells
4-Series Battery Configuration
12.8V Nominal Battery Pack
Approximately 14.6V Fully Charged Pack
6A Current Rating
Overcharge Protection
Over-Discharge Protection
Overcurrent Protection
Short-Circuit Protection
Individual Cell Voltage Monitoring
Automatic Protection Function
Designed Specifically for LFP Chemistry
Suitable for 4S LiFePO4 Battery Packs
Compatible with Suitable LFP Cylindrical Cells
Compact PCB Design
Lightweight Construction
Low Power Consumption
Battery Cell Monitoring
Protected Battery Output
Multiple Cell Connection Terminals
Ideal for Rechargeable Battery Systems
Suitable for Low-to-Medium Current Applications
Easy to Integrate
Compact Space-Saving Design
Useful for Battery Pack Prototyping
Suitable for Educational Projects
Reliable Basic Battery Protection
Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.
