 Dead battery on America's birthday? America's number one battery destination is here to help. AutoZone has free battery testing and charging at every store and batteries starting at just $79.99. With our 4th of July sale, we have savings to help you red, white, and do any other jobs you've been putting off. It's everything you need to get back on the road at AutoZone. Get in the zone, AutoZone. Restrictions apply. Pay back to portrayal.