Amazon.com: Dakota Lithium – 12V 7Ah LiFePO4 Deep Cycle Battery – 11 Year USA Warranty 2000+ Cycles – Built in BMS – For Ice Fishing, Fish Finders, Outdoor, and More : Automotive
Duracell Ultra 12V 7AH AGM SLA Battery with F1 Terminals - SLA12-7F at Batteries Plus
Mighty Max Battery 12 Volt 7ah Battery with F1 (.187") Terminals Rechargeable Sealed Lead Acid 1270 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com