UPG 6-Volt 4.5 Ah Sealed Lead Acid (SLA) AGM Rechargeable Battery UB645 - The Home Depot
Philips Medical Systems HC102 Home Unit 6V 4.5Ah Battery (6 Pack)
Interstate Batteries 6V 4.5Ah Battery (SLA0905) for sale online | eBay
Amazon.com: Universal Power Group 6 Volt 6V 4.5AH Rechargeable Deer Game Feeder Battery - 2 Pack : Health & Household
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
Csbattery 6V 4.5ah Rechargeable Battery for Car/UPS/Electric-Power/Lighting/Electric-Bicycle/Boat/AAA - China Power Bank and Power Supply