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post #90 of Old 12-19-2012
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Re: Battery Sizing - am I crazy?

"Maintenance free" is usually a dirty word. It means a wet lead battery, which will need to have the electrolyte topped up for best life, but with the cells conveniently sealed up so they can't spill and you can never add the electrolyte when needed.
It was a clever idea in the 70's but now, I think everyone would agree that either you want a battery that can be maintained (i.e. plain wet lead) or one that in theory never actually needs topping up (AGM or gel or Lithium, truly "sealed valve regulated").
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