Battery (Batteries)

A device used to store a charge. or electrical energy.
Normally a battery uses a chemical reaction method to store energy.

There are many forms and chemistries of batteries,
including but not limited to ;

Alk-Manganese Dioxide
Alkaline
Alkaline Zinc Air
Alkaline Manganese Dioxide Zinc
Carbon Zinc
Mercuric Oxide
Nickel Cadmium (NiCd)
Nickel Metal Hydride (NiMh)
Lithium Ion
Lead Acid
Sealed Lead Acid (SLA)
Lithium Manganese Dioxide (Li/MnO2)
Silver Oxide
Silver Oxide Zinc
Zinc air

Copper zinc, and any acid, or acidic item like a potato or lemon ;-)

Some of these battery types are discussed in greater detail in the subpages here.