SeaDoo / Sea-Doo RB-FM-12V-7.5AH Battery - Replacement Battery for the SeaDoo / Sea-Doo RB-FM-12V-7.5AH Battery $15.84
Set of 2 - 12V 4.5Ah Scooter Battery Replaces 4.5Ah Enduring 6FM4.5, 6 FM 4.5 840140932706 | eBay
Mighty Max Battery ML1.3-6 6V 1.3AH SLA Battery F1 Terminal- 4pk Rechargeable Sealed Lead Acid 613 Alarm System Batteries (4-Pack) in the Device Replacement Batteries department at Lowes.com