5S 5 Serial 18V 21V 20A Li-Ion Lithium Battery Charging Protection Board Module Pack Circuit Board BMS Module For Power Tools

Specifications: Charge Voltage:19/21V Single Cell Charge Voltage:3.8/4.25V Continuous Discharge Current:8-20A Overcharge Single Cell Detection Voltage:3.85-4.25V Overcharge Protection Delay:1S Overcharge Single Cell Recovery Voltage:3.75-4.13V Overcharge Protection Release Delay:1mS Over-discharge Single Cell Detection Voltage:2-2.8V Over-discharge Protection Delay:1S Over-discharge Single Cell Recovery Voltage:2.5-3.0V Over-discharge Protection Release Delay:100±20mS Over-current Detection Voltage:0.1-0.4V Over-current Detection Current:30±5A Over-current Detection Delay:1S Short Circuit Protection Support:Yes Short Circuit Detection Delay:250uS Short Circuit Release Delay:1S Short Circuit Detection Voltage:0.8V Recovery State:Auto after Disconnect Load Over Temperature ProtectionProtection Temperature:70±5° Recovery Temperature:55±5° Working State:25uA (25°) Stand-by State:6uA(25°) Discharge Main Circuit Internal Resistance:30±5mΩ Operating Temperature: -40°-85° RH≤75% Store Temperature: -40°-125° RH≤75% SizeLength x Width:45x40mm/1.77*1.57 Package Included: 1* Battery Charger Protection Board