CALTRIC FITS POLARIS SPORTSMAN 500 4X4 1996 1997 1998 1999 2000 2001 2002 AGM BATTERY Caltric Brand Product 12V / 12 AH / CCA 200 DIMENSIONS: LENGHT: 5 5/16" - 135mm WIDTH: 3 1/2" - 90mm HEIGHT: 6 9/16" - 168mm AGM (absorbed glass mat) is a special design glass mat designed to wick the battery electrolyte between the battery plates. Maintenance free never needs water.