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K. I know that batteries are rechageable, can be really big enough for cars, smaller than a dime for hearing aids, and has to be a compleate curcit in order to work.
W. what I want to to learn is why there is a positive and negitive sides, why do they die, and why are some batteries rechargeable.
L. And I learned that the shorter you charge them the shorter it last and the longer you charge them the longer it last.
Article posted March 30, 2012 at 12:29 PM •
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