MIGHTY MAX BATTERY 12V 8Ah UPS Battery Replaces 7Ah 28W BB Battery SH1228W - 2 Pack MAX3429277 - The Home Depot
Mighty Max Battery 12V 8Ah UPS Replaces 7Ah 28W BB Battery SH1228W Rechargeable Sealed Lead Acid 1280 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com