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. Project. Мин. Typ. Max. Units. Потребляемый 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 time100150200РС Continuous operating current04040AНепрерывная выходная мощность0672672WТемпература окружающей среды-402585°CTroubleshooting: fault phenomenon. Fault check and cause. The solution. Unable to charge. Measuring the voltage of 4 groups of batteries. when one of the battery voltages exceeds 4.25V