EATON 9PX lithium UPS (1–3 kVA)

The 9PX's online double-conversion architecture with LiFePO4 batteries — battery life stretches from 3–5 years to 8–10, so the unit may never need a battery change.

EATON 9PX lithium series product photo — Appearance for reference only; actual specification and accessories follow the quotation.

Brand: EATON
Type: Online double-conversion (lithium built in)
Typical use: Edge rooms, unmanned sites, hot environments
Models covered: 9PX1000IRT2U-L, 9PX1500IRT2U-L, 9PX2200IRT2U-L, 9PX3000IRT2U-L, 9PXEBM48RT1U-L (expansion battery), 9PXEBM72RT1U-L (expansion battery)
Category: UPS systems / EATON

Product details Specifications

Who actually needs this

The lithium 9PX is not a status purchase — it solves a specific maintenance problem: batteries in places people rarely visit. An edge room on a rooftop, a cabinet in a factory, a site served by a two-hour round trip — each battery replacement is a project. A unit whose batteries outlast the unit itself removes that entire category of work.

What UL1973 means here

It is the safety standard for stationary battery systems — covering the cells and their integration. Combined with the BMS (over-charge, over-discharge, thermal protection), it is the certification you want when lithium goes into a building's equipment room.

Key features

Lithium battery life two to three times that of lead-acid — 8–10 years in service
80–120% more runtime in the same volume
LiFePO4 cells with a battery management system, UL1973 certified
Lithium built into the 2U chassis — no separate battery cabinet
Efficiency meets Energy Star requirements
Pairs with a network card (UL/IEC security certified) and IPM software for virtualisation shutdown

Frequently asked questions

Is the lithium premium worth it?

Run the arithmetic over the unit's life: a VRLA 9PX needs battery replacements around years 3–4 and 6–8, each a call-out plus parts. The lithium version's cells are rated for the unit's whole service life. For an attended machine room the economics are close; for an unmanned or hot site they usually favour lithium clearly.

Can I mix lithium and lead-acid units in the same room?

Yes — they are independent units. What you cannot do is convert an ordinary VRLA 9PX to lithium by swapping packs; the charging profile differs. Buy the -L variant from the start.

Related models & accessories

EATON 9PX series

The mainstream choice for server rooms: online double-conversion keeps the output fully isolated from the mains, with efficiency and serviceability at practical levels.

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EATON 9PX Marine series

A shore UPS dropped onto a vessel does not survive salt spray, motion and heat. The 9PX Marine is DNV-GL type approved and reworked for the marine environment.

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UPS Battery Replacement

Batteries are the wearing part of every UPS. We replace them on schedule — not after the alarm.

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Specifications

Capacity	1–3 kVA
Architecture	Online double-conversion
Battery type	LiFePO4, UL1973 certified
Rated output voltage	200/208/220/230/240 V
Rated output frequency	50/60 Hz
Form factor	Rack or tower, 2U

Specifications follow the manufacturer's latest data. Actual configuration must be sized against the site load, required runtime and distribution environment — this table is for selection reference only.

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