Stored Batteries

Anything to do with motorcyles
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Jem
Posts: 127
Joined: 05 Aug 2006 14:17

Stored Batteries

Post by Jem »

I just checked two batteries which have been off bikes for a couple of years and found that the electrolyte is down by a half!
Sure water evaporates over time but batteries are closed boxes with only a small ventilation opening and isn't sulphuric acid hydroscopic?
Are these batteries still usable? Do I just top them up with distilled water or do they need extra acid?
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