Reverse hook-up protection prevents the charger from working if the battery clamps are installed in reverse polarity, and the Schumacher automatically detects 6-volt or 12-volt batteries.

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

It's still a compact battery charger, measuring ‎10.3 x 8 x 3.7 inches, and weighing three pounds. Its best feature is automatic, walk-away charging for both 6 and 12 volt batteries, which it ...

Because my wife worked from home, a running generator wasn’t a luxury. Even with a full-size 12-volt car battery charger and ...