6 Volt 4.5 Amp Hour AGM Rechargeable Battery 6V 4.5AH F1 - Batteryplex
6 Volt 4.5 Ah Sealed Lead Acid Rechargeable Battery - F1 Terminal
6V-4.5 AH Rechargeable Battery
6v 4.5ah Battery 6v4.5ah 4ah For Children Electric Toy Car Baby Carrier Ups Backup Desk Light Lead-acid Rechargeable Accumulator - Storage Batteries - AliExpress
Mighty Max Battery 6V 4.5AH SLA Multipurpose Rechargeable Battery Rechargeable Sealed Lead Acid 645 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com