1A Micro USB 18650 Lithium Battery Charging Board with protection
Input port with micro USB female, can directly use the 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 charge.
The input voltage: 5V
Maximum charging current: 1000 mA
Charge cut-off voltage: 4.2 V + / – 1%
The battery overcharge protection voltage: 2.5 V
Battery over-current protection current: 3 A
Input interface: micro USB
Size:2.6 x 1.7 cm
WIFI Internet of Things development board based ESP8266