3Pcs USB Lithium Battery Charger Module Board with Charging and Protection Integration Board

Features Input port with micro USB female can directly use mobile charger for input to the lithium battery and still retain the input voltage wiring solder joints can be very convenient Connect the battery to B B insert mobile phone charger to the USB Female then red light is charging and green is fully charged Specification Input voltage 5VMaximum charging current 1000 mACharge cut off voltage 4 2 V 1 Battery overcharge protection voltage 2 5 VBattery over current protection current 3 AInput interface Micro USBDimension 2 6 x 1 7 cmPackage includes 3x Charger module board