5S Lithium Battery Protection Board 20A Low Consumption BMS Module Li Ion Battery Charging Protective Plate 19V 21V Item Type: Lithium Battery Protection Board Material: PCB Load Voltage: 19V 21V Single Charging Voltage: 3.8V 4.25V Continuous Discharge Current: 8-20A Overload Single Section Detection Voltage: 3.85-4.25V Overload Protection Delay: 1s TZT Overload Single Section Recovery Voltage: 3.75-4.13V Overload Protection Release Delay: 1ms Single Overdischarge Detection Voltage: 2-2.8V Overdischarge Protection Delay: 1s Single Overdischarge Recovery Voltage: 2.5-3.0V Overdischarge Protection Release Delay: 100ms±20ms Overcurrent Detection Voltage: 0.1-0.4V Overcurrent Detection Current: 30±5A Overcurrent Detection Delay: 1s Recovery Status: Automatic Support TZT: Yes Short Circuit Detection Delay: 250us Short Circuit Release Delay: 1s Short Circuit Detection Voltage: 0.8V Recovery Status: Automatic after load disconnection Protection Temperature: 70±5℃ Recovery Temperature: 55±5℃ Working State: 25ua (25℃) Standby Mode: 6ua (25℃) TZT Internal Resistance of Main Discharge Circuit: 30±5mΩ Operating Temperature: -40℃ to 85℃RH ≤75% Storage Temperature: -40℃ to 125℃RH ≤75% Size: Approx. 40x46mm/1.6x1.8in