Universal Power Group 12V 8AH Sealed Lead Acid (SLA) Battery - T1 Terminals ZB-12-7.5 - 4 Pack UPG # D5743 UB1280 12V 8Ah. Pack of 4 Dimensions: 5.94 inches x 2.56 inches x 3.94 inches. Weight: 4.96 Lbs SLA/AGM maintenance free, spill proof battery Rechargeable battery that can be mounted in any position, resists shocks and vibration 1 Year Warranty