BMS 4S 30A LiFePO4 Battery Protection Board

4S 30A 12.8V LiFePO4 Battery Protection BMS Board with Balance

A high-current 30A Battery Management System specifically calibrated for 4S (4 series) Lithium Iron Phosphate (LiFePO4) battery packs. Features onboard passive balance circuitry that bleeds off higher cells at 3.60V to keep all 4 cells matched.

Specifications

• Battery Chemistry: 4S LiFePO4 (12.8V nominal, 14.4V - 14.6V full charge)
• Continuous Discharge Current: 30 Amperes continuous (Peak: 60A)
• Balance Function: Integrated cell balancing bleeding 45 mA at 3.60V
• Overcharge Protection Voltage: 3.65V ± 0.05V per cell
• Over-discharge Cutoff Voltage: 2.35V ± 0.08V per cell
• Dimensions: Approx. 56 mm × 45 mm with aluminum heatsink plate