I get that, for a house/solar battery, it sort of makes sense as your typical energy usage would be measured in kWh on your bills. For the smaller devices, though, the chargers are usually rated in watts (especially if it’s USB-C), so why are the batteries specified in amp hours by the manufacturers?
In: 7
mAh as a unit for capacity is just a scam, because you don’t know the voltage and therefore not the batterie’s real capacity. But 3000 mAh sounds much better than 9 Wh. That’s why.
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