Description
Emerson Liebert – Fits GXT3-1000RT120 — Replacement Battery
This specification-matched battery set is engineered to match the Liebert – Fits GXT3-1000RT120’s discharge profile, internal resistance, and physical footprint — no firmware re-calibration required.
What This Battery Fits
- Emerson Liebert – Fits GXT3-1000RT120
Technical Specifications
- 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
Build Standards
- Certified to U.L. and CE specifications
- 100% brand new — direct from authorized stock
- Each pack tested and stamped before dispatch
- Warranty: 12 months from invoice date
What’s Included
- One complete specification-matched battery pack for the Emerson Liebert – Fits GXT3-1000RT120
- Installation guidance (see below)
Installation
Hot-swap procedure (where supported): isolate output, transfer load to bypass if available, then disconnect the depleted pack and seat the replacement. Always verify load behaviour during the cutover.
12-month replacement warranty + nationwide certified service network
Ships nationwide from our Quebec depot · 1 (438) 881-3363 · Email Us
Independent Canadian Vertiv / Liebert UPS service specialists since 2012.

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