Buying Guide

Picture of AA batteries standing in rows.
Battery Buying Guide

Stay in Charge

Your remote control needs them. So do toys, flashlights, wall clocks, milk frothers—even many smoke alarms. Batteries keep the juice flowing. And while our gadgets have become increasingly sophisticated, charging or swapping out their batteries is still a necessity.

But not all batteries perform as promised—even those from well-known name brands. Use this guide to learn about the types of batteries that are available, and which will work best for your needs.