Universal Power Group 6V 4.5Ah F1 AGM Battery, 45953 at Tractor Supply Co.
6V 4.5Ah Rechargeable Lead Acid Battery UB645 | Impact Battery
3 x BB BP4-6 Battery one 6V 4.5Aah rechargeable SLA battery. | Sigma Batteries
6V 4.5AH Sealed Lead Acid Battery For Exit Sign and Emergency Lights – Exit Sign Warehouse
Amazon.com: ExpertPower 6 Volt 4.5 Amp Rechargeable Battery (EXP645) : Tools & Home Improvement
Mighty Max Battery ML4-6- 6 VOLT 4.5 AH SLA BATTERY- 6 PACK Rechargeable Sealed Lead Acid 645 Alarm System Batteries (6-Pack) in the Device Replacement Batteries department at Lowes.com