How to measure the capacity of a powerbank

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69 بار بازدید - 7 سال پیش - 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.
69 بـار بازدید شده
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