Original battery lasted 5 tears and replaced it 2007 with Gold. Lasted 5 years and again replaced 2012 with Gold. The last GOLD batter only lasted 3 years using a the same trickle charger designed to keep batteries fresh.
Install it and got the lawn tractor operative.
this battery is so good I did not have to charge it this spring! it sat for 4 months & mower (18yr y/o craftsman) started right up!