Just bought a 2006 SX200 with a Trojan crank, would not hold a charge or be fully charged... its 23 months old! I ran to Wally and got a 625amper for $66 with lots better than a 6 month warranty (which is probably 18 days actual use for the average guy). Also hear very good things about DELCOs... but I had a tournament the next morning so...