Single cell battery overcharge protection voltage: 4.21-4.29V Single cell battery overload protection recovery voltage: 4.14-4.24V Overload protection delay: 1.5-2. 4S Single cell battery over discharge protection voltage: 2.72-2.88V Single cell battery over discharge protection recovery voltage: 2.9-3.1V Overload protection current: 100A Protective discharge current: 100 A Over discharge protection delay: 0.5-1. 4S Temperature protection: Yes, with temperature control interface. Disconnect protect: Yes Scarcity to protect: Yes Shortage delay: 100-600 EE. USA Shortage protection recovery mode: load release off. Contact discharge current: 80A Sinopline discharge current: 60A Charging current: 60A Balance function: Yes Ampere (current): 60 mA Current Balance Accuracy: 4.14-4.24V