BMS 5S (21V – 15A) Lithium Battery Protection Board

Description5S 15A Li-ion Lithium Battery BMS 18650 battery for electric screwdriver Charger Protection Board 18V 21V Cell Protection Circuit AU21Specification:  100% Brand new 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: 5mΩ 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)Customers who bought this item also bought:  Pictures Show: