Mighty Max Battery 12V 55AH Internal Thread Battery for 14XL and 14X Rechargeable Sealed Lead Acid 12550 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
12 Volt 55 Amp Sealed Lead Acid Battery
55 Ah Capacity, 8.27 in Ht, Sealed Lead Acid Battery - 2UKL5|2UKL5 - Grainger
Amazon.com: Interstate Batteries 12V 55Ah Deep Cycle Battery (DCM0055) Sealed Lead Acid Rechargeable SLA AGM (Insert Terminals) Wheelchairs, Scooters, ATVs, Solar Power : Health & Household
XS Power D1200 12V AGM Battery, Max Amps 2,600A, CA: 740, Ah: 55, 1500W / 3000W XS-D1200 Batteries | 12 Volt & Beyond