Mighty Max Battery 12V 18AH SLA Battery for Generac 7500 EXL Portable Generator 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: 7.13 inches x 3.01 inches x 6.57 inches. Terminal: Nut and Bolt. Listing is for the Battery and Screws only. No wire harness or mounting accessories included. ML18-12 SLA is a 12V 18AH Sealed Lead Acid (SLA) rechargeable maintenance free battery. Backed by a 30 day refund policy and full 1 year warranty.