What do you mean by the end of charge in something,just like mobiles?

1.	What do you mean by the end of charge in something,just like mobiles?
Answer» End of charge in something means that there is no more energy left on the product.And as you know that energy can be changed to any form of energy.For ex.in battery chemical energy is converted into electrical energy but when all the materials in the battery get used up it is said to be the end of the charge of the battery.

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