The right one can preserve the charge and protect the battery when your car is parked for an extended periodBy Jeff S.

We put five automobile battery chargers and maintainers to the test to see which ones will best keep your vehicle's battery ...

Cars need to be driven regularly to allow the alternator to maintain the battery’s charge level. If you need to park your car ...

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All car batteries lose power over time. This isn’t a factor when the car is driven regularly, allowing the alternator to replenish the battery. But if the car is parked for an extended period ...

A car battery charger is designed to recharge a vehicle's battery back to a healthy state, whereas a maintainer detects and optimizes a battery's state of charge. No, but they are very similar.