I was just wondering how many of the people on this forum dont do anything with their lawn mower battery when storing it for the season. I dont put a tender on mine. All I do is unhook the negative cable and leave battery in the mower till spring and then I just hook cable back up and start it. I can usually do this for 4 years with no problems and on the 5th year I have to jump or charge it or get a new battery. Also if I do have a dead battery come spring, what amp do most people use to charge up a rider mower battery?