Thursday, June 28, 2007

Battery

Battery is the life of every electronic and electrical appliances. Without a battery there is no power source to generate electrical current (DC). A battery or batteries can be of any form and size to meet the demands of any electrical or electronic appliances. A battery can be made of Zinc Carbon, Zinc Chloride or Alkaline Manganese in specific voltages to power up any electronic or electrical device. When it comes to shape, you can find batteries in dry cell or button-shaped. Button-shaped batteries are commonly used for watches, calculators and hearing aids while cell types are used for radios, flash lights, remote controlled toys, cameras and many others. It can be disposable or rechargeable. Rechargeable batteries are more economical and because it can be reused and recharged consumer prefer this as a great alternative to save money.