YTX5L-BS Sealed Maintenance-Free Battery 12V SMF For KTM 450 SX ATV 2008-2012 PowerStar Brand - 5L-BS battery High Performance Maintenance Free battery - lasts up to three times longer than conventional batteries. Maintenance Free Battery, includes terminal bolts - NO ACID High Cranking Amps & Low Self-Discharge Rate 2 YEAR INDUSTRY LEADING WARRANTY