Do I need a new Battery? (Battery test results)

[TheAnswer_03]

I was at a local dealership recently and they did a battery test and the results were:

rated: 550 CCA
measured: 342 CCA
voltage: 12.58U
temp: 21C

It's an 07' Mazda 3 GT 2.3L. I bought it used in 2011 and always used the same battery. I think it's the original battery (Panasonic brand). They told me based on the 342 CCA, it could be an issue when the temps get very cold (-20C for example).

Would the battery get me through Winter? I've never had an issue starting the car since ownership.

[Booter22]

either you dont replace it get stuck and need to call a tow, or replace it now for peace of mind. id replace it.

[Flagrum_3]

either you dont replace it get stuck and need to call a tow, or replace it now for peace of mind. id replace it.

I agree, don't play around, it may get you stuck at the worst time.

My oem Panasonic lasted 9 years but finally got too weak to trust. I say, splurge and get yourself a AGM battery and go through winter worry free.


_3

[Jackal]

The answer is replace.


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[TheAnswer_03]

Thanks guys.