I have used an Odyssey PC925 and the Odyssey PC680. I've the PC680 in the car since 2016 and it works great.
I replace the battery as a maintenance item every two years since my car tends to sit in-between races.
Installed pictures here: http://986forum.com/forums/555780-post4.html
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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