Mighty Max Battery 12V 18AH Replaces Enduring CD17-12, CB-17-12 Rechargeable Sealed Lead Acid 12180 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Amazon.com: ExpertPower EXP12180 12V 18Ah Lead Acid Battery : Automotive
Varta Mc-batteri AGM YTX20-BS 12v 18Ah
KMG KMG-18-12-V440 12V 18Ah Replacement Battery Compatible with VOLTA VT1217
Weida WB12180 IT SLA AGM Battery 12V18ah-X 12 volt 18ah Insert Terminals replace CP12180-X, CP12180X, 6FM17-X, DCM0018, NP18-12R