Amazon.com: 12V 18AH SLA Battery Replacement for Deliberate 6FM-18 : Health & Household
Mighty Max Battery 12V 18AH SLA Battery for Enduring 6FM18, 6-FM-18 Rechargeable Sealed Lead Acid 12180 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Amazon.com: 12V 18AH SLA Battery Replacement for Enduring 6FM18, 6-FM-18-2 Pack : Health & Household
Amazon.com: SPS Brand 12V 18Ah Replacement Battery for Enduring 6FM18, 6-FM-18 12V 18Ah UPS Battery : Health & Household
Battery Replaces 51814 6fm17 6-dzm-20 6-fm-18 lcx1220p 2 YEAR WARRANTY