MIGHTY MAX BATTERY 6V 4.5AH SLA Replacement Battery for HKbil 3FM4.5 - 3 Pack MAX3823090 - The Home Depot
Sonnenschein GF 6 180 V Gel Battery 6V 180Ah
Mighty Max Battery 6V 7Ah SLA Replacement Battery for Enduring 3FM7 Rechargeable Sealed Lead Acid 670 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com