Amazon.com: Universal Power Group UPG UB645 6V 4.5AH SLA Sealed Lead Acid Battery - also Compatible with Kid Trax Disney Ride on Toy KT1123TR : Automotive
6 Volt 4AH Rechargeable Sealed Lead Acid SLA Battery 6 volt 4amp - Walmart.com
UPG 6-Volt 4.5 Ah Sealed Lead Acid (SLA) AGM Rechargeable Battery UB645 - The Home Depot