Battery compatible Portalac TEV12360 TEV 12360 UB12350 12V 36Ah AGM lead like 41Ah: Amazon.de: Electronics & Photo
12V 36AH UPS Power Backup Battery - JYC Battery Distributor
12V 40Ah Battery, Sealed Lead Acid battery (AGM), B.B. Battery BP40-12, VdS, 197x165x171 mm (LxWxH),
Mighty Max Battery 12V 9AH SLA Battery for Firman P03612 Generator Rechargeable Sealed Lead Acid 1290 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
PE12V4.5 Battery by GS Battery/Portalac
LONG WP1236W 12V 9Ah 36W Replacement High Rate Battery (6 Pack)