BatteryGuy Peg-Perego Bob The Builder 35525 replacement 6V 12Ah battery - BatteryGuy brand equivalent - Walmart.com
Amazon.com: Replacement for PEG PEREGO HEV127S3 Battery - Replacement UB6120 Universal Sealed Lead Acid Battery (6V, 12Ah, 12000mAh, F1 Terminal, AGM, SLA) - Includes TWO F1 to F2 Terminal Adapters : Health