3 ms·
1) conservation of energy - if the phone is switched on, it is drawing current. If the latter is from the battery, you will pay for it (plus the charger's and D
by asciilifeform 17y ago
1) conservation of energy - if the phone is switched on, it is drawing current. If the latter is from the battery, you will pay for it (plus the charger's and DC-DC converter's inefficiencies) later.
2) battery wear - how much energy does it take to manufacture a new Li-ion pack?