Catalog > Internet of Things (IOT) Related Products > More Platforms TP4056 Micro USB Lithium Charger Board 5V 1A TP4056 Micro USB Lithium Battery Charger Board 5V 1A with Charging and Protection DHG LITHIUM CHARGR BOARD IP5V 1A TP4056 MICRO USB LITHIUM LITHIUM POLYMER CHARGER BOARD 5V 1A Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview 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 full of charged. Specifications 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 cm