How To Test Power Bank Capacity. This power bank actually states both capacity's, you wouldn't notice it tho unless you are one of the people who actually read product labels. Power bank real capacity = claimed power bank capacity * battery efficiency.
It's depending on the REAL CAPACITY of the power bank. I think this is the cheapest way to check your powerbank capacity and of course with lots of patience as well. Today's phones and tablets are more powerful than ever, and despite more power-efficient How much battery capacity do you really need?
Most people measure power bank capacity by seeing how many times it can charge a device with a known capacity battery.
Here are the readings I got whilst charging and discharging the power bank.
Perhaps the most important thing to consider before buying a battery pack is its capacity — in. Power Bank Maintenance: Looking After Your Power Bank. As promised before, I ran a few charging tests on the Power Bank to see the time it takes, its output mAmps, and how it compares to the standard OnePlus wall charger.