Mighty Max Battery 12V 10AH Replacement Battery for 13447, 134471 Rechargeable Sealed Lead Acid 12100 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Amazon.com: 12V 10Ah Battery with Nut & Bolt Terminals L: 5.94" x W: 2.56" x H: 4.37" by UPSBatteryCenter - : Health & Household
Amazon.com: Dakota Lithium – 12V 10Ah LiFePO4 Deep Cycle Battery – 11 Year USA Warranty 2000+ Cycles – Built in BMS – For Ice Fishing, Kayaks, Fish Finders, and More