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Old 04-23-2019, 01:43 PM   #7
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,261
Quote:
Originally Posted by Robert986 View Post
Hmmm wasn't aware, is this related to operating temperature? The box is only used during summer if that helps.
Many light weight battery manufacturers do not comply with normal battery industry standards as set by the BCI. One of the ways they hide the overall weakness of these units is by not publishing CCA or cold cranking amps, which is normally measured at 0 degrees F(Cold cranking amps (CCA) is a measurement of the number of amps a battery can deliver at 0 ° F for 30 seconds and not drop below 7.2 volts.), and instead publish the CA, which is measured at 32F, and obviously a much higher number than the same battery would have at 0F. In battery's, CCA is an accepted indication of the units reserve capabilities under duress.
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