0.75kWh per charge even at Electrify America prices ($0.64/kWh) is not enough for a single transaction. Maybe they will force you to preload the account and the

0.75kWh per charge even at Electrify America prices ($0.64/kWh) is not enough for a single transaction. Maybe they will force you to preload the account and then deduct from your balance. But the fact is a normal outlet consumes so little electricity that it's not economically worthwhile to meter any reasonable duration of using that single outlet.