Battery type: 2 x 12V, deep-cycle, AGM or Gel-cell
Size: 178 x 168 x 77mm
Weight: 12.5lbs (each)
Rated capacity: 17AH
Battery charger: 2 amp off-board battery charger
Complete info here: http://www.x-tremescootersaustralia.com/product_info.php?cPath=7&products_id=1041