We thought so. Listen up: We tested 15 AA batteries—the type typically used in digital cameras, flashlights, toys, radios, and remote controls—and found differences in performance and cost.

Wi-Fi is also available on some cameras. Digital cameras use either rechargeable or standard AA batteries. It can take an hour or more to recharge a battery, so having an extra, fully charged ...

The iPhone has a powerful camera built-in, but what if you could turn it into a proper digital camera that can ... It has a separate battery from your phone and also includes a small LED screen ...