Mighty Max Battery ML1.3-6- 6V 1.3 AH, F1 Terminal Rechargeable Sealed Lead Acid 613 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Crown CR-235 Group GC2 6V 235 AH Battery
Power-Sonic 6V/4.5AH Sealed Lead Acid Battery w/ WL Terminal
6V 2.8AH Battery Lead Acid Rechargeable Storage Batteries Power Supply for Children's Car Desk Lamp LED Lights Electronic Scales - AliExpress
MIGHTY MAX BATTERY 6-Volt 7 Ah Sealed Lead Acid (SLA) Rechargeable Battery ML7-6 - The Home Depot
CSB GP-645F1 6V 4.5Ah Battery
6V 4.2Ah Sealed Lead Acid Battery with F1 Terminals - TLV642
6 Volt 4AH Rechargeable Sealed Lead Acid SLA Battery 6 volt 4amp - Walmart.com
AJC 6V 4.5Ah Sealed Lead Acid - AGM - VRLA Battery: BatteryClerk.com Sealed Lead Acid