4S 12.8V 30A LiFePO4 BMS Charging Controller with Balancing

HX-4S-F30A BMS module for battery packs with 4 cells connected in series. Provides protection against overcharging, deep discharge, overcurrent, and short circuits, as well as cell balancing. Caution: The charging voltage of 16.8 V and the balancing threshold of 4.2 V/cell apply to a 4S Li-ion pack, not a 12.8 V 4S LiFePO₄ pack; verify compatibility before connecting.

Technical Specifications:

• Configuration: 4S
• Continuous discharge current: 30 A
• Peak discharge current: 56 A
• Charging voltage: 16.8 V
• Maximum charging current: 20 A
• Equalization current: 45 mA
• Overcharge protection threshold: 4.28 V ± 0.05 V/cell
• Deep discharge protection threshold: 2.5 V ± 0.08 V/cell
• Protections: overcurrent and short-circuit
• Operating temperature: -20°C to +80°C
• Dimensions: 56 × 48 × 4 mm
• Connection: common port for charging and discharging; wires for connecting the cells