Mighty Max Battery 12V 5Ah Chamberlain 41A6357-1 Garage Door Opener 4228 Standby - 4 Pack brand product ML5-12 SLA is a 12V 5AH Sealed Lead Acid (SLA) rechargeable maintenance free battery. Pack of 4 Dimensions: 3.54 inches x 2.76 inches x 4.21 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