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Rectangular lead-acid battery pack, metal enclosure, 8.1 by 19.3 by 2.8 inches, 75.80 lbs

Vertiv

Vertiv GXT4-144VBATKIT 144V 9 Ah UPS Replacement Battery

SKU CH-2YKE-K7HW8 MPN GXT4-144VBATKIT

Hot-swappable 144 V, 9 Ah lead-acid battery kit restores runtime to compatible GXT4 UPS systems

  • Product typeUPS Battery Pack
  • Compatible withEmerson Libert UPS: GXT4-5000RT208 GXT4-6000RT208
  • Product weight75.8 lb (34.4 kg)
  • Hot-swap replacement keeps the UPS running during battery change
  • 144 V 9000 mAh VRLA pack restores full runtime for GXT4-5000RT208 and GXT4-6000RT208
  • Spill-proof sealed cells mount safely inside the rack enclosure
  • Recharges to capacity in 3 hours to minimise unprotected time
  • 80 lb kit fits the existing battery tray without modification

Hot-swappable 144 V lead-acid battery kit

This replacement kit delivers a 144 V, 9 Ah valve-regulated lead-acid pack built for hot-swap installation inside compatible Liebert UPS units. The spill-proof design allows battery changes without powering down connected equipment. Each kit reaches full recharge in approximately three hours. It is intended for facilities that need continuous uptime during battery maintenance.

Suits GXT4-5000RT208 and GXT4-6000RT208 UPS owners

The kit matches the Emerson Liebert GXT4-5000RT208 and GXT4-6000RT208 rack-tower UPS models and also fits the earlier GXT3-5000RT208 and GXT3-6000RT208 units. Buyers running different UPS voltages, form factors or brands cannot use this pack. Sites requiring lithium-ion chemistry or user-replaceable modules without hot-swap capability should look elsewhere.

9 Ah capacity at 144 V output

The decisive specification is the 9 Ah rating combined with a 144 V DC output, which determines runtime and compatibility with the listed Liebert systems. A lower capacity pack would reduce backup time, while a different voltage would prevent installation. Confirm the UPS model number before ordering to ensure the voltage and ampere-hour values align.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $813.99
Pricier than about 91% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameLiebert
Model nameGXT4-144VBATKIT
Product typeUPS Battery Pack
Size & build
Product weight75.8 lb (34.4 kg)
Shipping weight37.51 kg
Package size600 × 315 × 265 mm
Compatibility
Compatible withEmerson Libert UPS:
GXT4-5000RT208
GXT4-6000RT208

Questions about this item

How can I confirm the 144 V replacement battery kit is operating correctly after installation?

The UPS front panel will display normal voltage and the self-test will pass without a battery-fault alarm.

What components are included with the GXT4-144VBATKIT and what must be purchased separately?

The kit contains the hot-swappable 9 Ah VRLA battery modules; no cables or mounting hardware are included.

Which UPS models are supported by this 144 V 9 Ah battery kit?

It is compatible with the GXT4-5000RT208 and GXT4-6000RT208 UPS systems.

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