- The instructional video is available in the product guide and document. The input has a MICRO USB female connector, which can be directly input as a mobile phone charger to recharge the lithium battery, and the input voltage wiring pad is also reserved, which can be very convenient for DIY
- Charging cut-off voltage: 4.2V ± 1%; Maximum charge current: 1000mA
- Input voltage: 5V; Battery over-discharge protection voltage: 2.5V; Battery overcurrent protection current: 3A; Connect the battery to the B + B-, inserted into the USB female mobilephone charger, the red light is being charged, the green light to full