Catalog > Internet of Things (IOT) Related Products > More Platforms TP4056 Micro USB Lithium Battery Charging Board TP4056 Micro USB Lithium Battery Charging Board BSK LITHIUM CHARGR BOARD 5V 1A TP4056 MICRO USB LITHIUM BATTERY CHARGING BOARD WITH OVERCHARGE, OVERDISCHARGE AND OVERCURRENT PROTECTION Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This mini Li-ion battery charger board set charging and battery overcharge overdischarge protection all in one practial for your DIY 18650 battery power supply to prolong its lifetime.On-board micro USB and soldering joints 5V input`port and charging status indicator ideal for single-cell lithium or multi-section parallel lithium battery. Specifications Input Voltage : DC5VCharging Cut-off Voltage : 4.2V±1%Maximum Charging Current : 1ABattery Over Discharge Protection Voltage : DC2.5VBattery Over Current Protection Current : 3ABoard Size : 26 x 17mm/1.02 x 0.67inch(LxW)