XJ-D444 4S 40A 12V 14.6V Motorcycle Starting BMS LifePO4 Battery

Description 4S 12V 40A motorcycle starting BMS With NTC, balanced function. For LifePO4 battery Instantaneous current: 650A 100mS and 150A 5S. 2 types of wiring options: spot welding and soldering, according to your needs. Product Name 4S 12V 40A Motorcycle Starting BMS Size Length 65mm * Width 60mm * Thickness 4mm Series 4S Current 40A Voltage 12.8V/14.8V Cell Type LFP 3.2V/NMC 3.7V/Sodium-ion battery Function Balance, NTC Function Over charge protection, Over discharge protection, Over current protection, Short-circuit protection, Balance function, Temperature sensor function, Electrostatic protection, Dust Protection, Moisture Protection Specification: Test Items Minimum Typical Maximum Unit Battery pack charging voltage 14.8 V Charging MOS withstand voltage 40 V Discharge MOS withstand voltage 40 V Single cell overcharge detection voltage 3.6 3.65 3.7 V Overcharge recovery voltage 3.5 3.55 3.6 V Overcharge detection delay 500 1000 1500 mS Single cell overdischarge detection voltage 2.2 2.3 2.4 V Over discharge voltage 2.6 2.7 2.8 V Over discharge detection dela 500 1000 1500 mS The battery pack continues to discharge current 40 A Battery pack keeps charging current 40 A Self-consumption 20 50 uA Equalizing starting voltage 3.525 3.55 3.575 V Equalizing current 40 - 80 mA Output short-circuit/overdischarge/overcurrent protection recovery After short circuit/overdischarge/overcurrent protection is removed, the load automatically recovers Short-circuit protection delay 160 200 240 uS Normal operating condition B- to P- internal resistance 30 mΩ Maximum temperature rise of continuous 40A output current 50 ℃