Quote:
Originally Posted by dma550
or, you can go with the voltphreaks 4lb LI ion phosphate
http://voltphreaks.com/
People are using them in the Lotus elise/exige and track Beemers, but I don't think they would work well as a daily. |
I used the PC925 in my '00 S4 for quite awhile with no problems. I don't recall exact but it was over a year. Of course, I never listened to the radio while the engine was off due to worrying about it running low.