Why Power Banks Never Deliver Their Advertised Capacity
If you own a power bank, you must’ve noticed how they don’t deliver their claimed capacity. Theoretically, a 10,000mAh power bank should be able to fully charge a 5,000mAh phone twice, but the last time this actually happened was never. Why is that? Why Your Power Bank Doesn’t Deliver Its Capacity No, the manufacturer didn’t lie to you; not technically, at least. The power bank you bought does indeed contain lithium batteries of the advertised capacity, but unfortunately, not all of this capacity is translated into usable capacity, aka “rated capacity....