3pcs 2S Li-ion 18650 Lithium Battery Charger Protection Board 7.4V Overcurrent Overcharge Overdischarge Protection

Features 1 The protection board uses imported lithium polymer rechargeable battery protection IC2 Built in three overcurrent detection circuit current 1 current 2 load short circuit 3 Through the MOS tube can control the battery charge and discharge4 Connect the terminals of the charger with high withstand voltage devices5 Operating temperature range negative 40 degrees to 60 degrees6 Built in high precision voltage detection circuit7 Low current consumption Welding point Description B is connected to the positive side of the battery packMB Connect the contacts in battery 1 and battery 2B Connect the negative of the battery packP is connected to the positive terminal charge side discharge side P negative negative terminal shared with charge discharge VoltageCharging voltageDC9V CC CV Max 12V Single section equalization voltage CurrentSingle phase equalization current Single section current consumption self consumption 6uAMaximum sustained discharge current4AOvercharge protectionOvercharge detection voltage4 29V Accuracy 0 025VOvercharge detection delay time1sOvercharge detection recovery voltage4 05V Accuracy 0 025VOverdischarge protectionOverdischarge detection voltage3V Accuracy 0 1VOverdischarge detection delay time128msOverdischarge detection recovery voltage3 2V Accuracy 0 1VOvercurrent protectionOvercurrent detection voltage200mv Accuracy 30mvOvercurrent detection current9 8AAccuracy 3AOvercurrent detection delay time12msRecovery