downimpact Posted September 21, 2007 Share Posted September 21, 2007 It's come that time when the battery is begining to fail and need charging if i leave it too long, so i'm after the best lightweight battery. I've searched and seen advice on relocation to behind the passenger seat, but really don't trust my skills with that. Therefore hoping to find a battery for about 5kg's as a direct replacement? I'm not running any big ice and the cat 1 is the only draw on the battery. Would a red top 25 be powerful enough? Or would there be problems trying to use it? http://www.merlinmotorsport.co.uk/BATTERIES-RED-TOP-Batteries/c110_116/p470/RED-TOP-25-16/AH-(680A-CRANK)/product_info.html?gclid=CObdkfGE1I4CFQMvlAodXVDi8A Thanks Quote Link to comment Share on other sites More sharing options...
downimpact Posted September 21, 2007 Author Share Posted September 21, 2007 http://www.hawker-odyssey.co.uk/ The PC680 is another one which seems plausible? Anyone any experience of these? Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted September 21, 2007 Share Posted September 21, 2007 I have customers running TT's on Red Top 30, but a 40 would be better. I can beat those prices... None a re direct bolt in fit, you need to fabricate a strap to hold them down, and change the terminals. Quote Link to comment Share on other sites More sharing options...
downimpact Posted September 21, 2007 Author Share Posted September 21, 2007 thanks Chris good you can beat the prices Please could you tell me why the 30 will work and the 25 won't, as i'm not to up on batteries. Is it that the car wont start if it's really cold (not a problem as i wouldn't really drive in the winter) or would the battery probably only last 6 months or something? Might be worth the gamble as i like the extra weight saving Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted September 21, 2007 Share Posted September 21, 2007 The small one is going to struggle in the winter, all are RACE batteries, and are not designed to run lots of electrickery without the engine running, for long. I'd say a Red Top 30 minimum requirement, although a 25 should still start the car OK Quote Link to comment Share on other sites More sharing options...
Kranz Posted October 8, 2007 Share Posted October 8, 2007 I have a Varley red top 30 that I tried on the Supe. It worked ok when fully charged, but after a few (10 or so) short journeys & a few days laying idle inbetween it didn't have the capacity to recover & needed recharging. Great for drag or race applications though. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted October 8, 2007 Share Posted October 8, 2007 They aren't much good for running say an alarm, they don't like long term slow discharges. Quote Link to comment Share on other sites More sharing options...
Gamer Posted October 8, 2007 Share Posted October 8, 2007 Here is another option that you might have missed. http://www.mkivsupra.net/vbb/showthread.php?t=126614 Quote Link to comment Share on other sites More sharing options...
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