Amazon.com: SPS Brand 12V 12Ah Replacement Battery for Yuasa NP12-12 UPS : Health & Household
Enersys NP12-12 Battery - Power Pros, Inc.
Battery Yuasa YT14B-BS 12V-12Ah
Mighty Max Battery 12V 12A F2 Replaces Yuasa NP12-12 NP 12-12.25T Rechargeable Sealed Lead Acid 12120 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com