I’m on the Board of a 152-apartment condo. Outside the garage is a common area where owners can wash their cars. Nearby, there’s an electric outlet where owners can plug in a vacuum and clean the inside of their cars at the same time. Recently, the Building Manager received a complaint that a…

How many Kwh to recharge a car battery from AC outlet?

tardis October 26, 2010, 9:36pm 3

A normal 10A battery charger would take less than 200 Watts. A bigger 25A charger would probably take less than 500 watts. I wouldn’t worry about it.