The highest-rated Harbor Freight battery chargers come from Cen-Tech and Viking, with a 4-amp Viking charger topping the list ...

First, let’s clear the air: Optimate is not Optima. The former is a European-engineered brand of battery chargers; the latter is a maker of those red-and-yellow AGM batteries you’ve probably seen in ...

CES often highlights the diverging strategies within the portable power sector, and 2026 is no exception. Amid all the ...

The seasons are changing, and in the Northeast, we’re putting away classic cars, mowers, and other warm-weather powersports toys. That means a lot of batteries will be going on tenders. And what do ...