4 Volt 4.5 Ah Sealed Lead Acid Battery for Fi-Shock SS-440 - 3 Pack - Mighty Max Battery brand product Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long lasting high performance in high and low temperatures SLA / AGM spill proof battery has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recover. Dimensions: 1.86 inches x 1.87 inches x 3.98 inches. Terminal: F1. Listing is for the Battery only. No wire harness or mounting accessories included. ML4.5-4 SLA is a 4V 4.5AH Sealed Lead Acid (SLA) rechargeable maintenance free battery. Pack of 3 Backed by a 30 day refund policy and full 1 year warranty