Amazon.com: Fuerduo 2PCS 6-DZM-12 12V 12Ah AGM Rechargeable Battery for Electric Go Kart ATV Scooter Golf Cart 5.91"(L) x 3.94"(W) x 3.82"(H) : Automotive
Mighty Max Battery 12V 18AH INT Terminal for Baoshi 6-DZM-20 6DZM20 Rechargeable Sealed Lead Acid 12180 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com