Daboy3000 Posted October 25, 2021 Report Share Posted October 25, 2021 Hey, long story short, bought this last month for my 2005 TT, car has now gone into storage, just wondering if I can use this on my 96 2.5 as it's currently got an old volvo battery on it! Quote Link to comment Share on other sites More sharing options...
Menoporsche Posted October 25, 2021 Report Share Posted October 25, 2021 For my 3.4 a 760ah, 700a is normal. Not sure about your 2.5. Quote Link to comment Share on other sites More sharing options...
Daboy3000 Posted October 25, 2021 Author Report Share Posted October 25, 2021 (edited) This is what ECPs has for the Boxster - I am guessing it just doesn't have enough guts and needs the CCA of 640. But I know jack all about batteries. Capacity 70 Ah CCA 640 A Height 190 mm Hold Down B13 Length 278 mm Width 175 mm Edited October 25, 2021 by Daboy3000 Quote Link to comment Share on other sites More sharing options...
½cwt Posted October 25, 2021 Report Share Posted October 25, 2021 The usual fitment people go for is a 110 or 096 battery from Yuassa or Bosch with 4 or 5 year guarantee and higher CCA. Quote Link to comment Share on other sites More sharing options...
iborguk Posted October 25, 2021 Report Share Posted October 25, 2021 For comparison I believe the original Porsche OE battery part numbers are : 999 611 070 21 (70AH) 999 611 080 21 (80AH) Quote Link to comment Share on other sites More sharing options...
Daboy3000 Posted October 25, 2021 Author Report Share Posted October 25, 2021 OK, thanks guys, maybe I'll try and sell the audi one and put that money towards a new one Quote Link to comment Share on other sites More sharing options...
Elmer Fudd Posted October 25, 2021 Report Share Posted October 25, 2021 110 for a 2.5, with 720 CCA is advisable, yours won't turn the engine over quick enough. Quote Link to comment Share on other sites More sharing options...
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