Description
Vertiv Liebert PSI5-1100MT120 UPS – PSI5-1100MT120: Replacement Battery
This specification-matched battery set is engineered to match the Liebert PSI5-1100MT120 UPS – PSI5-1100MT120’s discharge profile, internal resistance, and physical footprint — no firmware re-calibration required.
What This Battery Fits
- Vertiv Liebert PSI5-1100MT120 UPS – PSI5-1100MT120
Quality & Compliance
- U.L. Recognized and CE Certified
- Brand new — factory-sealed, never used
- manufacturer warranty included
Battery Details
- Type: Sealed lead-acid (VRLA) — maintenance-free, no venting required
- Performance: Engineered for the discharge curves typical of UPS backup operation
- Shelf life: Low self-discharge rate maintains capacity through long standby
- Durability: Vibration-tolerant, suitable for industrial environments
- Safety: Spill-proof, sealed construction certified to UL standards
In the Box
- One Vertiv UPS unit for the Vertiv Liebert PSI5-1100MT120 UPS – PSI5-1100MT120
- Installation guidance (see below)
Before You Install
Installation procedure: isolate output, transfer load to bypass if available, then disconnect the depleted pack and seat the replacement. Always verify load behaviour during the cutover.
Backed by Vertiv manufacturer warranty + nationwide service support
Ships nationwide from our Canadian warehouse · Email Us
UPS service and replacement batteries for Vertiv and Liebert systems, since 2012.
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