Is anyone giving or receiving a holiday gift labeled "batteries not included"? We thought so. Listen up: We tested 15 AA batteries—the type typically used in digital cameras, flashlights ...

The exception is the 9v battery which actually has six smaller cells inside of it. [Tom] took a look inside three different batteries to see what cells they’re hiding. Since he no longer uses ...

The little foil wad bridged the gap between the much smaller AAA battery and the terminal inside the mouse, successfully ...

This huge surface area associated with this small amount of graphene can be squeezed inside an AA battery, enabling battery designs with the ability to store massive amounts of charge. However, the ...

Reader, [Fox9p3400], opened up an Xbox 360 controller battery pack so we could all see what goes into one. It contains two Sanyo 2100mAh NiMH AA rechargeables (Model HR-3U 1.2V). In addition to ...