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Guide for Tech Beginners - Battery

Guide for Tech Beginners - Battery

Β Β  Β  An electric battery is a source of voltage or more formally source of electrical energy. Battery provides electrical energy by internal chemical reaction. Battery is a two terminal device. One is call positive terminal (+V) and another is negative terminal (-V) or ground. Generally batteries are two types. Β  Primary Secondary Primary batteries are used once and discarded. Secondary batteries can be discharged and recharged multiple times. Batteries come in many shapes and sizes, from miniature cells used to power hearing aids and wristwatches to battery banks the size of rooms that provide standby power for telephone exchanges...

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