P90-BAT4 Replacement Battery Tray for P91-3000, P80-2200, P80-3000

P90-BAT4 is a replacement internal battery tray for Xtreme Power Conversion 2U P91/P80 rack/tower UPS.
Specifications
Model: P90-BAT4 (Xtreme Power Conversion)
Compatible with: P91-3000, P80-2200, P80-3000
Host UPS internal battery (per Xtreme datasheets): six 12V sealed lead-acid batteries
Chemistry: sealed, maintenance-free lead acid
Fit: internal tray for the 2U rack/tower chassis
Application notes
Replace the internal tray when a self-test fails or runtime drops well below the published figure; sealed lead acid in a warm closet ages fastest. Swap all batteries at once so the string stays balanced, and recycle the old tray.
Source: Xtreme Power Conversion published datasheets and product pages. Runtimes are manufacturer estimates and vary with battery age, temperature and load.
Helpful guides: When to Replace a UPS Battery · Common UPS Failure Points and Preventive Maintenance · Heat and UPS Battery Life · UPS and battery service
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