Anytime your car is stored or remains inactive for long periods of time, there’s a good chance the battery will be completely drained when you try to start your vehicle up. Inexpensive trickle chargers can keep the battery alive, but can also damage it if left connected for extended periods of time. Thankfully, the best car battery chargers and maintainers of 2022 are a good choice for drivers who want the convenience of a charger that can stay hooked up all the time.
We've made our selections based on the charger's/maintainer's ability to be hooked up and left alone for a while, thanks to features such as an onboard microprocessor that allows the charge cycle to become automatic, preventing overcharging of the battery. Most of our picks are also compact or portable enough to be used for a wide variety of applications while being easy to use thanks to their design. While price varies, we've included options to fit a range of budgets, without compromising on safety or performance. Read on to find the best car battery charger for you and your vehicle.