1. Snap on the battery connector, no complicated operation is required, just press one button to activate quickly 2. Equipped with an automatic identification circuit inside, no matter whether the battery is inserted into the activation board, the automatic identification circuit will automatically adjust the output voltage and current according to the positive and negative poles of the battery to ensure the safety and accuracy of the charging process 3. Equipped with PD chip to realize PD fast charging function 4. Support 5A input and output charging. When high voltage is connected, the protection board automatically cuts off the power supply to avoid loss 5. The battery will automatically cut off when it is fully charged, and the red indicator light will go out 6. Working voltage: 4.2-4.5V 7. Size: about 10 x 1.7cm 8. Weight: about 8g
