HUAWEI Battery Management Module, Supports Up to 3 Modules

The HUAWEI Battery Management Module is a high-performance BMS designed for 3S (3 series) Li-Ion and Li-Po battery packs with a nominal voltage of 11.1V. It supports up to 3 modules and provides comprehensive protection including overcharge, overdischarge, overcurrent, and short circuit protection, along with cell balancing for extended battery life.

Advantages

This module ensures safe and efficient operation of your battery system with precise voltage detection and balancing. Its wide operating temperature range (-40°C to +85°C) and low quiescent current (<30 µA) make it suitable for demanding environments.

Suitable for

• 3S Li-Ion and Li-Po battery packs (11.1V nominal)
• Energy storage systems
• Portable power stations
• Electric vehicles and drones

Key specifications

• Battery Type: Li-Ion, Li-Po (3.7V nominal per cell)
• Cell Configuration: 3S
• Nominal Battery Voltage: 11.1V
• Maximum Charge Voltage: 12.6V
• Maximum Continuous Discharge Current: 15 A
• Maximum Continuous Charge Current: 10 A
• Overcharge Detection Voltage (per cell): 4.25V ± 0.05V
• Overdischarge Detection Voltage (per cell): 2.5V ± 0.05V
• Overcurrent Detection Current: 45 A
• Short Circuit Protection: Yes
• Cell Balancing Function: Yes
• Cell Balancing Current: 50 mA
• Quiescent Current: < 30 µA
• Operating Temperature Range: -40°C to +85°C
• Main Circuit Internal Resistance: < 20 mΩ
• Wiring Method: Common Port (Charge/Discharge)

Recommendations

Ensure proper wiring and insulation. Use with compatible battery packs only. For optimal performance, follow the manufacturer's guidelines.