How laptop batteries can not be used?

Users questions: Very strange, when the battery power before all play a role, 11, after a power shut off it went on, is the first time the next day, I think the battery is 100%, who wants the same last night after the closure of At a glance, the battery actually is 0%, and how can it be, ah, not to say that when used you in charge, Then where is my power, and only a few days useless, how come the worse? Ah suddenly discovered how to solve a half-hour or 0% ah residual volume, and that the Power Options Properties in the battery icon there is a prohibition oblique red bar symbol? What does it mean ah? can not charge it? how this piece if you make fun of Well
Experts answer: Battery for a long time, it may be battery aging, and degradation of power-storage function, the proposed change batteries.
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