Though many consumer electronics are powered these days by rechargeable lithium-ion batteries, there's still plenty of marketspace for the good ol' AA variety.

Consumer Reports recently finished testing a number of AA battery brands, both disposable and rechargeble, to find the ones that last longest and give the most juice for your buck. Check out the video at right for the best- and worst-performing models, as well as our testing procedures.

The full Ratings of AA batteries are available to ConsumerReports.org subscribers. For more Consumer Reports videos, visit our video hub.

—Nick K. Mandle