Description
Vertiv Liebert PSI5 UPS – 5000VA Line Interactive, Rackmount – PSI5-5000RT208 — Replacement Battery
When the Liebert PSI5 UPS – 5000VA Line Interactive, Rackmount – PSI5-5000RT208 starts reporting a depleted battery, downtime risk climbs by the hour. This replacement set restores nominal runtime in a single service window.
Fits These UPS Units
- Vertiv Liebert PSI5 UPS – 5000VA Line Interactive, Rackmount – PSI5-5000RT208
Build Standards
- Certified to U.L. and CE specifications
- 100% brand new — direct from authorized stock
- Each pack tested and stamped before dispatch
- Warranty: Standard Vertiv manufacturer warranty applies (varies by model — typically 2-3 years)
UPS Specifications
- 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
In the Box
- One Vertiv UPS unit for the Vertiv Liebert PSI5 UPS – 5000VA Line Interactive, Rackmount – PSI5-5000RT208
- Installation guidance (see below)
Installation
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 UPS – 5000VA Line Interactive, Rackmount – PSI5-5000RT208 bypass behaviour first.
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Independent Canadian Vertiv / Liebert UPS service specialists since 2012.

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