Battery testing results

rkinrossrkinross Member Posts: 177 ✭✭
I have an Interstate battery Marine - RV deep cycle SRM-24.  I have recently charged it and took it to Advance Auto for a free battery test.  The results came back:

Voltage    12.65v
Measured 475 cca
Rated        550 cca
Temperature 99 degrees F

It also came back with a recommendation to replace the battery.

Are these really bad numbers or are they just trying to sell new batteries.  This is the second year I have owned the boat and do not know the age of the battery.  I have not had starting problems but am going on vacation and want to use the boat for an entire week in early August.  Just trying to get prepared in advance so I do not have problems.

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