How to measure the capacity of a powerbank
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I use a USB watt
I use a USB watt meter and a 1 amp dummy load to test the true capacity of an ASUS Zenpower powerbank.
When measuring the true capacity of a powerbank, it's important to remember the voltage of the internal batteries which are nearly always 3.7V 18650 cells. When you consume power from the powerbank, a boost converter is stepping that voltage up to 5V for your USB device.
Convert powerbank mAh to Watt hours
Since there's a voltage difference between the internal cells and the output power, the
7 سال پیش
در تاریخ 1396/03/26 منتشر شده
است.
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