Harley FXSTBI Night Train Softail 1450 EFI 500cca Lightning Start 20ah High Performance Sealed AGM Motorcycle Battery replacement for year 2001, 2002, 2003, 2004, 2005, 2006 Factory Activated Sealed AGM Maintenance-Free, no acid water needed, never needs re-filling Included Harley terminal hardware for flush front or top mount. Ultra High Performance Starting Power OEM compatible replacement battery Polarity | - ||||| + |