MIGHTY MAX BATTERY 12-Volt 18 Ah Sealed Lead Acid (SLA) Rechargeable Battery ML18-12 - The Home Depot
Amazon.com: Interstate Batteries 12V 18Ah Battery (SLA1116) Sealed Lead Acid Rechargeable SLA AGM (Nut & Bolt) Solar Power, Generators, Medical Devices, Fences : Health & Household
POWER-SONIC PS-12180NB439 12V 18AH Battery Replacement for Stanley PPRH5 450 Amp Power Station
Mighty Max Battery 12V 18AH SLA Battery for Enduring 6FM18, 6-FM-18 Rechargeable Sealed Lead Acid 12180 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com