Battery Tenders

[The Stig]

I just wired a cutoff switch like this directly to the battery ground:

http://www.amazon.com/gp/product/B00...STQF1FASMCFQVR

I've had the same red top Optima for 4 years and it will fire after a month of sitting.

Thanks JD. How's that Beautiful Red GTM treating you?