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- Posted on
- Dan Jacobson
April 19, 2006, 3:56 pm
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Re: replace UPS battery with same voltage but bigger
Along with what the others have said, do NOT use a car battery. Use
an RV, Marine, Golf Cart, or Wheelchair battery - a deep-cycle. Automotive
batteries are optimized for heavy cranking amps, for a short time. They
don't really like being on a medium discharge for very long, and cycling
them is kind of hard on them. Deep-cycle batteries are designed to provide
moderate currents for a long time, and won't get damaged by deep
discharging. (well, you don't want _any_ battery to go completely flat).
The difference, I think, is in the plate structure.
Hope This Helps!
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