A battery is a contained electric energy source. It has a metal casing, two types of metals and a chemical solution inside capable of transferring electrons and thus producing a current.

Keep batteries in a cool dry place. Protect them from exposure to heat. Batteries should be contained and organized so that the don't contact with something that may drain them of power.

Never recharge a disposable battery, it may overheat and explode.

Batteries come in two varieties disposable and rechargeable. Disposable batteries are much cheaper and easier to find in stores. Over time they are more expensive because they can not be reused. Disposable batteries are also less environmentally friendly.

Using rechargeable batteries will save more money over time. They are also a greener alternative as less batteries end up in landfills. They do cost more than regular batteries and they also require a charger which adds to the cost.

• Duracell
• Energizer
• Eveready
• Samsung
• Maxell
• Sony
• Canon

• • Please see Mahalo's Guide to Car Batteries
• Wikipedia: Car Battery
• Consumer Reports: How to Choose a Car Battery
• eHow: How to Jump-Start a Car
• eHow: How to Replace a Car Battery