If you are looking to buy a portable cell phone charger, they both might have the same Ah, but then you also need to know their voltage to compare. If you have the Wh, then the voltage didn’t matter.
Yes but when are you comparing batteries at different voltages? If you’re comparing batteries for a specific application then you’re going to be looking at batteries of the same voltage.
Wh is better for comparing two batteries.
If you are looking to buy a portable cell phone charger, they both might have the same Ah, but then you also need to know their voltage to compare. If you have the Wh, then the voltage didn’t matter.
Yes but when are you comparing batteries at different voltages? If you’re comparing batteries for a specific application then you’re going to be looking at batteries of the same voltage.