A: The battery capacity is 20000mAh 3.7V, it takes about 13 hours to fully charge the power bank by 5V2.1A port, and 5V1A port needs 26 hours.
Q: How long will this power bank can be used?
A: This mobile power charge and discharge times> 300 times. In the normal circumstances, the frequency of electricity once a day, you can continue to use more than 1 year.
Q: What’s the difference of 2.1A and 1A port ?
A: There are two USB output ports, 2.1A bases on charge the tablet and smartphone. It intelligently provides 21 kinds of output currents of 0.1A-2.1A, it will decided by the current of your device and intelligently to match the appropriate current; 1A can intelligently provide 0.1A-1A of 10 kinds of non-current output, only good for smartphone.
Q: Can mobile power charge both phones and tablets at the same time?