Specification: Brand newName: protection boardSize: approx. 60*23mmColor: as picture showsCharging voltage: 21 VCharge MOS pressure value: 35 VDischarge MOS pressure value: 35 VCharging current: 56 AContinuous discharge current: 15 AOver current protection: 50/55/60 AOver current protection delay: 20/25/30mSSingle section since the power consumption: 30uASingle section between the power consumption: 3uASingle section over charge detection voltage: 4.18- /4.22VOver charge recovery voltage 4.05- 4.15 VOver charge detection delay: 0.5/1.0/2.0SSingle section over discharge detection voltage: 2.75-2.85 VOver discharge recovery voltage: 2.90-3.20 VOver discharge detection delay: 0.5-2.0SShort / over / over current protection recovery short circuit / over discharge / over current protection after removal of load auto recoveryShort circuit protection delay 200/500/600uSThe normal working state of B- to P- resistance: 5mΩContinuous 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)Note:Please allow 1-5mm errors due to manual measurementItem color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated samePackage included:1 x Protection board1 x Wire