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
Goobay 16070 Blei-Akku 6 V 4,0 Ah Faston 4,8 mm | okluge
Ultracell AKKU 6-4,5 (UL4.5-6) Ultracell - Lead acid battery (UL4 5 6) 6 4500 mAh Faston | Industry-Electronics