Harley FLST Heritage Softail 500cca Lightning Start 20ah High Performance Sealed AGM Motorcycle Battery replacement for year 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Factory Activated Sealed NanoGel Maintenance-Free, no acid water needed, never needs re-filling Flush front or top mount. Ultra High Performance Starting Power OEM compatible replacement battery Polarity | - ||||| + |