5S 18V 21V 20A Li-ion Lithium Battery BMS 18650 battery for electric screwdriver Charger Protection Board 18V 21V Cell Protection Circuit for dewalt power tool

Specification: 
100% Brand new
Name: protection board
Color: as picture shows
Charging voltage: 21 V
Charge MOS pressure value: 35 V
Discharge MOS pressure value: 35 V
Charging current: 56 A
Continuous discharge current: 20 A
Over current protection: 50/55/60 A
Over current protection delay: 20/25/30mS
Single section since the power consumption: 30uA
Single section between the power consumption: 3uA
Single section over charge detection voltage: 4.18- /4.22V
Over charge recovery voltage 4.05- 4.15 V
Over charge detection delay: 0.5/1.0/2.0S
Single section over discharge detection voltage: 2.75-2.85 V
Over discharge recovery voltage: 2.90-3.20 V
Over discharge detection delay: 0.5-2.0S
Short / over / over current protection recovery short circuit / over discharge / over current protection after removal of load auto recovery
Short circuit protection delay 200/500/600uS
The normal working state of B- to P- resistance: 5mΩ
Continuous 20A current maximum temperature rise: 25 ℃
Working environment (humidity) relative humidity: ≥98% (long-term stability under the humidity)
Working environment (temperature) -30 ~ 80℃(in the lower temperature range of long-term stability)

Notice:

1.Please allow 1-5mm errors due to manual measurement
2.Item color displayed in photos may be showing slightly different on your computer             monitor since monitors are not calibrated same.

3.The BMS new version color is green,not the red,we send the new version,thank you!