Chrome Battery 12V 20AH T3 SLA Battery (12V 20AH replaces 51814 6fm17 6-dzm-20 6-fm-18 lcx1220p) Free Shipping 1-3 day delivery if ordered before 3pm EST 7.15 in (length) x 3.03 in (width) x 6.59 in (height), 15.00 lbs 18-Month Warranty, 60-Day Money Back Guarantee Sealed AGM design makes batteries leak free. 12V 20AH Sealed Lead Acid Battery with T3 Terminals