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 ...

Our thorough evaluation involved extensive discharge tests to identify the longest-lasting alkaline batteries, including AA, AAA, C, D and 9-volt options. Furthermore, we analyzed the cost per ...

If you make a purchase using our links, CNET may earn a commission. Dead car batteries come for us all eventually, and even the most modern and luxurious vehicles can still fail from time to time.