Maximize the life of batteries.(Life - Money)

Byline: Kim Komando

What do the iPod, Sony PlayStation Portable and Motorola RAZR cellphone have in common? Sure, they're ultracool gadgets. But they, and similar gadgets, also rely on rechargeable batteries.

Today's most popular battery choice is the lithium-ion variety. Other types you may see are lithium-polymer (Li-Poly and very similar to lithium-ion) nickel-cadmium (Ni-Cad) and nickel-metal hydride (NiMH).

Here are some battery tips:

Consider battery conditioning.

Lithium-ion and lithium-polymer batteries typically arrive in a partially charged state. Most manufacturers will tell you to completely charge them before use. …