How To Test Power Bank. We have tested 18 current Power Banks. Strip the plus and minus wires back slightly and solder them to a precision 5 Ohm 10 Watt resistor.
Filling up with white. We completely drain a smartphone and note the time required to charge the device to 80 percent. Based on port labelling were the inputs clearly labelled eg.
Number of times each battery charged a test phone to 80.
I think this is the cheapest way to check your powerbank capacity and of course with lots of patience as well. This depends upon the Specs of your Power Bank. Power bank capacity is the first element to consider when you are to buy a power bankHow to check real power bank capacity becomes a question since there is a large capacity range in current market of power bank. Heres what youll need.
