6V 4.5AH Battery for GS PORTALC PE6V4 PE6V4.5F1 - PACK OF 6 BATTERIES UPG #D5733 UB645 6V 4.5Ah. Pack of 6 Dimensions: 2.78 inches x 1.88 inches x 4.18 inches. Weight: 1.59 Lbs SLA/AGM maintenance free, spill proof battery Rechargeable battery that can be mounted in any position, resists shocks and vibration 1 Year Warranty