Amazon.com: BatteryGuy 6V 4.5Ah SLA Battery - BG-645F1 with Wire Leads and A800ec Connector - BG-645F1WL (Rechargeable) - Qty of 1 : Health & Household
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
6V4.5AH 6V 4.5Ah Rechargeable SLA Battery by CHLORIDE
2 x Lithonia AP Battery one 6V 4.5Aah rechargeable SLA battery. | Sigma Batteries
Tork UB645-6V 4.5AH SLA 6V 4.5Ah Battery with F1 Terminals
6V 4.5AH SLA Replacement Battery for SLA6-5F - MightyMaxBattery