Mighty Max Battery 6volt 7.2ah Battery Replacement for WKA6-7.2F Rechargeable Sealed Lead Acid 670 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Amazon.com: UPSBatteryCenter® 6V 7.2Ah F1 Battery Fits Wonderlanes Fire Engine 6V Battery Powered Ride-On : Health & Household
Amazon.com: UPSBatteryCenter® 6V 7.2Ah F1 Battery Fits Wonderlanes Fire Engine 6V Battery Powered Ride-On : Health & Household