How to calculate the time to charge a power bank?

time2015/07/27

You can calculate this according to the power bank input.Normally the input of power bank is 5V 1A,devided the power bank battery into the input,you will get the results.For example,if your power bank is 5000mAh capacity,it will take about 4-5 hours to charge the power bank to full battery.With 10000mAh capacity,the time will last 10 hours.