Mostly intended as a battery maintainer, this 0.75-amp charger is ideal for small engines, lawn tools, and motorcycles; it is not for resurrecting a dead car battery.

If you want the best overall car battery charger in terms of power, dependability, ease of use, versatility, and price point, my top pick is the NOCO Genius5 Fully-Automatic Smart Charger.

Extend the life of your car battery or bring a depleted one back to full power with expert-approved chargers from Battery Tender, Noco, Schumacher, and more.

For those who park outdoors, away from a power source, there are solar-powered battery maintainers. These connect to the car ...

The good news is that there are various portable car battery chargers on the market, which you can use to safely power your car battery back up if it happens to die on you. You could get a charger ...

NC201 10-Amp Car Battery Charger. Compared to some of the other chargers on this list, the Nexpeak charger lacks the brand reputation of some of the stalwarts. But that's absolutely fine.