Mighty Max Battery 6V 4.5AH Battery Replaces Peg Perego Thomas Track Rider - 35168 Brand Product 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. 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. ML4-6 SLA is a 6V 4.5AH Sealed Lead Acid (SLA) rechargeable maintenance free battery. Backed by a 30 day refund policy and full 1 year warranty.