Why haven’t we managed to develop an easily-quantifiable unit for ‘how much energy something has left’ in rechargeable devices? For example “oh man, that phone call just cost me 5 Whatevers of phone battery”

Question

Why haven’t we managed to develop an easily-quantifiable unit for ‘how much energy something has left’ in rechargeable devices? For example “oh man, that phone call just cost me 5 Whatevers of phone battery”

In: Technology

Answer 1

Don’t you just use “percent”? “Can you pass me the charger? I’m on 12 percent”