Originally Posted by f1100turbo
so what would be the point of having a group 27 ? its bigger and heavier so why the slight change in ah ?
Percentage wise it is a pretty big increase. Remember you are talking about a lot of amps being released for a long time to generate an amp hour.
House Battery - Amp Hours or Reserve Minutes
The bigger and thicker the plates; the LONGER the amps are available.
Starting Battery - Cold Cranking Amps
The thinner and lighter the plates; the FASTER the amps can be released.
Dual purpose Batteries - Both RC and CCA on the spec sheet.
Middle of the road plate size and thickness.
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