6V 4.5AH SLA Battery replaces ub645 bp4-6 np4-6 wp4-6 sb604b Free Shipping 1-3 day delivery if ordered before 3pm EST 2.76 in (length) x 1.85 in (width) x 3.98 in (height), 2.00 lbs 18-Month Warranty, 60-Day Money Back Guarantee Sealed AGM design makes batteries leak free. 6V 4.5AH Sealed Lead Acid Battery with T1 Terminals