A Battery is a device that consists of one or more electrochemical cells with external connections for Powering up devices like flashlights, torch, mobile phones, etc. A battery consists of two-pole, one positive, and second negative terminal. A positive terminal is also known as the cathode and a negative terminal is known as the anode.
Battery Have 2 Type according to their characteristics
Battery Have 4 Type according to their Physical Appearance
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