4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance For Drill Motor 14.8V 16.8V Lipo Cell

Особенность:4 string 16.8V 40A lithium battery protection board (comes with recovery function-AUTO Recovery)Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery)Product Size: 45 * 55 * 3.4mm (Standard Edition / Enhanced), 46 * 60 * 3.4mm (balanced version)Product weight: 9.3g (standard / enhanced version), 10.3g (balanced version)Charging voltage: 16.8V - 18.1VContinuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use)Continuous charge current (upper limit): 20AEqualization version: suitable for starting current below 80A, power 135W below the drill.ProjectМин.Typ.Max.UnitsПотребляемый ток121824uAOvercharged protection voltage4.24.254.3VBalanced starting voltage4.174.24.23VEquilibrium current95100105mABalanced heating power1.561.721.91WOvercharge recovery voltage4.14.154.2VНапряжение защиты от переразряда2.42.52.6VOvervoltage protection after over-discharge protection2.833.2VOvervoltage protection after over-discharge protection3.23.53.8VOver-discharge recovery voltage2.93.23.3VConduction internal resistance2.533.5mQOvercurrent protection current C708090AOvercurrent delay time100150200РСContinuous operating current04040AНепрерывная выходная мощность0672672WТемпература окружающей среды-402585°CTroubleshooting:Fault phenomenonFault check and causeThe solutionUnable to chargeMeasuring the voltage of 4 groups of batteries. when one of the battery voltages exceeds 4.25V