Amazon.com: Battery Replacement for Leoch LP6-13FP 6 Volt 14 Ah with FP Terminals - Rechargeable Sealed Lead Acid Battery : Health & Household
GE Digital Energy LanPro LP6-11, LP6-11U UPS Battery
LP6-200H AGM Battery Group 27 6V 200AH - Batteryplex
Mighty Max Battery 6V 7Ah SLA Battery for Leoch LP6-7, LP 6-7 Rechargeable Sealed Lead Acid 670 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com