OD 6-DW-12 12V 12Ah Mobility Scooter Battery - This is an AJC Brand Replacement
2 (Two) Batteries 12V 12AH SLA f UPS, alarm, Electric Scooter, Battery Go-Kart 784956420449 | eBay
UPG 4 Pack - 12 Volt 12 Amp Hour SLA 12V 12ah Ebike Electric Scooter Battery 14891906709 | eBay
Mighty Max Battery 12V 12AH Battery for Pride Mobility Go Scooter Rechargeable Sealed Lead Acid 12120 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com