Presidents’ Day sales are in full swing now that we’re a week away, and we found so many hot new deals to share. Laptops from ...

Put a set of our Best Buy AA disposable batteries in your most power-hungry devices and they'll last more than three hours longer than the worst. For AAA batteries, our Best Buys last an hour and a ...

Listen up: We tested 15 AA batteries—the type typically used ... the best of the alkalines, a Duracell, 76 shots; and the lowest-rated alkaline, just 49 shots. Our flashlight test involves ...