Up to 2011 Snapper All Walk Behind Mowers YTX4L-BS YTX4LBS AKA CTX4L-BS Battery PowerStar Brand - 4Lbs battery High Performance Maintenance Free battery - lasts up to three times longer than conventional batteries. Maintenance Free Battery, includes terminal bolts - NO ACID Fits ATVs, Motorcycles, Scooters, Power Generator, Lawn Mowe 2 YEAR INDUSTRY LEADING WARRANTY