How To Check Power Bank Charge. Buy a new one. The total capacity of the power bank is varied from the marking ca.
Your power bank should have come with a USB cord and wall adapter. The total capacity of the power bank is varied from the marking ca. When deciding how to choose a power bank for your phone check your devices for their battery capacity which is measured in milliamp hours mAh.
Plug the larger end of the USB cord into the wall adapter.
With this method you can both get an estimate of the total capacity of a power bank and at the same time knowing its output. Other common mistake is that most people think all power banks with the advertised capacity is just the same. The total capacity of the power bank is varied from the marking ca. Be sure to consider if you plan to charge multiple devices.
