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Rechargeable batteries are quite handy for everyday uses. These batteries are measured in milliampere hours or mAh. One mAh is equal to one thousandth of an ampere given for a hour.
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A rechargeable battery works beacause electrical energy is applied to the battery, then the electron flow from negative to positive that occurs during discharge is reversed and power
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It depends on what type of charger you are using. Most people either have a fast charger that can get it done in about an hour, or a trickle charger that will have to be hooked up
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Rechargeable battery stores electrical energy in form of chemical energy while charging. Whenever required, it delivers in form of electrical energy.
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