5S 15A Li-ion Lithium Battery BMS 18650 Battery Screwdriver Charger Protection Board 18V 21V Cell Protection Circuit A20

5S 15A Li-ion Lithium Battery BMS 18650 battery for electric screwdriver Charger Protection Board 18V 21V Cell Protection Circuit

Specification:

Name: protection board

Size: approx. 60*23mm

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: 15 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: 5m

Continuous 15A 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.

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