Mighty Max Battery ML4-6 - 6V 4.5AH Replacement Battery for YT-645 with F1 Terminal - 10 Pack brand product ML4-6 SLA is a 6V 4.5AH Sealed Lead Acid (SLA) rechargeable maintenance free battery. Pack of 10 Dimensions: 2.76 inches x 1.85 inches x 4.17 inches. Terminal: F1. Listing is for the Battery only. No wire harness or mounting accessories included. SLA / AGM spill proof battery has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recover. Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long lasting high performance in high and low temperatures. Backed by a 30 day refund policy and full 1 year warranty.