A car battery charger can restore a depleted battery or maintain a battery you don’t frequently use. We’ve studied and tested several of the best car battery chargers so we could suggest the fastest, most reliable models.

A quality charger can extend car battery life if used properly. Keeping your battery regularly charged prevents sulfation – a process where lead sulfate crystals build up on the surface of a battery, rendering it inoperable. If you need something to jumpstart a dead battery, look for one of the best jump starters.