Eaton 5PX 2200RT rack mount UPS with good batteries

Cyber Power PR3000L-CDRT-XL2U/3000V BATTERY BACK UP ONLY

Apc Smart-UPS 3000 DLA3000RM2U 4-Outlet Uninterruptible Power Supply, No Battery

Tripp Lite SMART1500RM2U 1500VA Smart UPS Back Up, No Batteries, FREE SHIPPING

Tripp Lite SMC15002URM 1500VA Rack Mount UPS Battery Backup

eaton 5px 3000 UPS Battery Backup + Extra Battery

Brand New Tripp Lite Omni650lcd - Ups - Tower - Line-interactive Battery Backup

Tripp-Lite SMART1500LCD Rack Mount UPS Battery Backup SM89C4