“I bought this because the analog old school battery charger (12V) fried my deep-cycle battery for the trolling motor,” said another customer. “This unit is computer-programmed to ‘think ...

It will automatically detect 6 and 12-volt batteries, and it has reverse polarity detection for safety. BLACK+DECKER is ...

Most chargers automatically switch to maintenance ... the Battery Tender uses a single button to toggle between 6- and 12-volt. Once a selection is made, you set it and forget it.

A car battery charger will make sure you can start your car if you're not using for a while. If you’re going to be sto ...