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Answer 1:
A short in your electrical system could be causing the battery to drain.
A bad cell in you battery could also be the cause. Go to your local parts store and see if they "load test" batteries. This will let you know if the battery is any good.
Answer 2:
A typical car battery is made out of Lead, Lead Oxide and an acidic solution of water and sulphuric acid.
When the battery is used, discharging and recharging, there will be particles formed that due to gravity will drop down and form an increasing layer of conducting material at the bottom.
With use, the cells will eventually shortcut due to this layer building up and "touching" the plates of lead/lead oxide.
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∙ 13y ago
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