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Rectangular lithium-polymer laptop battery, dark casing, connector visible

NShi

NShi U5752A 2600mAh 19.24Wh 7.4V laptop battery

SKU CH-4KNY-80QCR MPN U5752A

Replacement lithium-polymer battery for Keysight U5752A, U5855 and U5855A models, 7.4 V, 2600 mAh, 19.24 Wh

  • Battery TypeLithium Polymer
  • Replaces original Keysight batteries for U5752A, U5855 and U5855A models
  • 2600 mAh capacity delivers 19.24 Wh of runtime at 7.4 V
  • Lithium-polymer chemistry keeps weight to 109.5 g in a 70.20 × 39.20 × 23.10 mm pack
  • Certified to FCC, CE, CB, ISO 9332 and RoHS standards
  • Reaches full performance after 2 to 49 charge-discharge cycles

Replacement battery for Keysight instruments

This lithium-polymer cell delivers 2600 mAh at 7.4 V for 19.24 Wh of capacity. It matches the Keysight U5752A, U5855 and U5855A models and replaces part numbers 5190-3540 and UR-123. The pack measures 70.20 x 39.20 x 23.10 mm and weighs 109.5 g. It carries FCC, CE, CB, ISO 9332 and RoHS certifications.

Who this suits and who should look elsewhere

Technicians maintaining the listed Keysight units can use this as a direct swap when the original battery no longer holds charge. Buyers who need a different voltage, capacity or form factor should verify their device specifications first. The connector must match the original exactly for a safe fit.

The specification that decides fit

The 7.4 V nominal voltage and 2600 mAh capacity must equal the values printed on the battery being replaced. If the original shows a different voltage or capacity, this pack will not work correctly.

Highlights

  • Replaces original Keysight batteries for U5752A, U5855 and U5855A models
  • 2600 mAh capacity delivers 19.24 Wh of runtime at 7.4 V
  • Lithium-polymer chemistry keeps weight to 109.5 g in a 70.20 × 39.20 × 23.10 mm pack
  • Certified to FCC, CE, CB, ISO 9332 and RoHS standards
  • Reaches full performance after 2 to 49 charge-discharge cycles

Specifications

Battery TypeLithium Polymer

Questions about this item

How much heat or noise does the 7.4 V 2600 mAh lithium-polymer pack generate during continuous daily use?

The battery itself has no moving parts and produces no audible noise; heat output is limited to normal charge-discharge warmth typical of a 19.24 Wh lithium-polymer cell.

What must I already own for this replacement to work in my instrument?

You need a Keysight U5752A, U5855 or U5855A unit that currently uses part number 5190-3540 or UR-123, and the original battery connector must match the replacement's plug.

Will the 70.20 × 39.20 × 23.10 mm pack fit alongside the existing chassis hardware in my older Keysight model?

Yes — the dimensions and 109.5 g weight match the original 5190-3540 / UR-123 battery, so it seats in the same bay without modifying surrounding components.

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