A half hour on the phone between waiting and getting an answer with optima tech line. The first grumpy old man from Summit that was a good 40 minutes with about a half hour of it waiting to get the grumpy old buzzard on the phone. The second kid I got on the phone took about a half-hour and about 10 minutes with him. Then when he didn't call back later in the afternoon I fell asleep after a half hour waiting to get someone and then later that evening it took 45 minutes to get the lady on the phone who finally took care of everything.... Just got a phone call from my buddy today who bought a deep cycling 750 amp battery from Costco for $79...