ITEM NAME:7S 24V 15A Li-Ion Lithium Battery Protection Board BMS PCB Board for E-Bike R9C3 7S 24V 15A Li-Ion Lithium Battery Protection Board BMS PCB Board for E-Bike R9C3 specification: Maximum discharge current: 15A Instantaneous discharge current: 70A Charging voltage: 28.8V Maximum charging current: less than equal 15A Overcharge detection voltage: 4.25 ±0.025V Overcharge protection delay: 100ms Overcharge release voltage: 4.15 ±0.05V Battery balance detection voltage: / Battery balance release voltage: / Battery balance current: / Overdischarge detection voltage: 2.8 ± 0.08V Overdischarge detection delay: 50ms Overdischarge release voltage: 3.0 ±0.1V Overcurrent detection voltage: 150mV Overcurrent detection delay: 15ms Overcurrent protection current: 75 ±5A Overcurrent protection release