1. How to charge the portable power banks? First find the special charging head with the logo, connect it to the supplied universal transfer data cable, and plug the charging head into the charging port of the portable power banks; then plug the standard USB port on the other end into the USB port of the computer, or The 5V output USB charger can charge the portable power banks.

    2. How is the portable power banks fully charged? There are generally 4 LED lights on the portable power banks, that is, the charging status indicator. When charging, the LED lights will flash, and according to the amount of power, gradually increase the number of flashes from 1-4 lights. When all 4 LEDs light up and stop flashing, it means it is full.

    3. I have used the charger to charge the portable power banks for a long time, but it is not full yet? what is the reason? The length of the charging time is not only related to the output current when the charger charges the portable power banks, but also related to the capacity of the battery used in the portable power banks. If the output current of the charger is constant, the higher the capacity of the portable power banks, the longer it will take to fully charge; similarly, the capacity of the portable power banks remains the same, and the smaller the output current of the charger, the longer it will take to fully charge. 

    4. Is it normal for the portable power banks to heat up during use? When the portable power banks is charging or discharging externally, the energy is in the process of conversion, and it is normal for a slight heating phenomenon. 

    5. This portable power banks has such a large capacity, will it explode? The capacity of the portable power banks has nothing to do with whether it will explode, only whether the protection is perfect. In addition, the polymer lithium battery is only gassing even if it is burned in a fire, and it will not explode.