Li-ion Lithium Battery Board Overcharge Protection.
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 blue light is charging and red is fully charged.
- Input voltage: 4.5V-5.5V
- Charging current: 1000 mA
- Voltage cutoff: 4.2 V + / - 1.5%
- Input connector: Micro USB
- Dimensions: 22x17x4mm