GS Portalac PE12V12 F2 Replacement Sealed Lead Acid Battery 12V 12000mAh Sealed Lead Acid | Battery Universe
Mighty Max Battery 12V 7.2AH SLA Battery for GS Portalac PX12072HG Rechargeable Sealed Lead Acid 1270 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Universal - Compatible Replacement for GS Portalac PE12V40AB2 Battery