Description
Vertiv Liebert PSI5 Lithium-Ion PSI5-1100SRT2ULI 1100VA / 990W Line-Interactive UPS Tower/Rack Convertible — Replacement Battery
This specification-matched battery set is engineered to match the Liebert PSI5 Lithium-Ion PSI5-1100SRT2ULI 1100VA / 990W Line-Interactive UPS Tower/Rack Convertible’s discharge profile, internal resistance, and physical footprint — no firmware re-calibration required.
What This Battery Fits
- Vertiv Liebert PSI5 Lithium-Ion PSI5-1100SRT2ULI 1100VA / 990W Line-Interactive UPS Tower/Rack Convertible
What You Receive
- One Vertiv UPS unit for the Vertiv Liebert PSI5 Lithium-Ion PSI5-1100SRT2ULI 1100VA / 990W Line-Interactive UPS Tower/Rack Convertible
- Installation guidance (see below)
Battery Details
- Cell chemistry: VRLA sealed lead-acid (no maintenance, no electrolyte top-up)
- Designed for: High-rate discharge under sustained UPS load
- Stored charge retention: Excellent — minimal degradation in standby
- Mechanical: Vibration-rated, factory-sealed against leakage
- Form factor: Drop-in compatible, no bracket modification required
Certifications & Quality
- Manufactured to UL / CE standards
- Brand new from production — fresh cells, never used
- Pre-shipment QA verified
- Covered by Vertiv manufacturer warranty
Installation Notes
Schedule the swap into your next maintenance window. Capacity should hold for 5-10 minutes off battery during the swap on most units; verify your specific Liebert PSI5 Lithium-Ion PSI5-1100SRT2ULI 1100VA / 990W Line-Interactive UPS Tower/Rack Convertible bypass behaviour first.
Backed by Vertiv manufacturer warranty + nationwide service support
Ships nationwide from our Quebec depot · Email Us
Independent Canadian Vertiv / Liebert UPS service specialists since 2012.
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