We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular black lithium-polymer laptop battery with plug connector

NShi

NShi AA-PBUN3AB laptop battery 11.4V 43Wh 3780mAh

SKU CH-SFX2-QN1Y5 MPN AA-PBUN3AB

Replacement lithium-polymer battery rated at 11.4V and 43Wh for select Samsung Notebook 5, 7 Spin and Odyssey models

  • Battery typeLithium Polymer
  • 4V 43Wh capacity powers extended work sessions
  • 3780mAh lithium-polymer cell delivers reliable daily runtime
  • Direct replacement for AA-PBUN3AB and AA-PBUN3QB part numbers
  • Fits Samsung Notebook 5 NP550XTA-K0 and 7 Spin NP740 series
  • Plug-and-play installation with no extra tools required

Replacement Battery for Samsung Notebook 5

This NShi AA-PBUN3AB lithium-polymer battery replaces the original Samsung AA-PBUN3AB and AA-PBUN3QB packs. It is built for the Notebook 5 NP550XTA-K0 series and the 7 Spin NP740U models listed in the compatibility data. The unit arrives new and ready for plug-and-play installation.

43 Wh Capacity with 11.4 V Output

The pack stores 43 Wh at 3780 mAh, delivering the same voltage and energy rating as the factory battery. It will power supported notebooks through a typical workday of web browsing and document editing. Runtime shortens under sustained loads such as video rendering or gaming, and the battery cannot be used in laptops that require a different voltage or connector layout.

Direct Swap for Worn or Failed Samsung Packs

This battery replaces an ageing original that no longer holds charge or shows swelling. The upgrade is worthwhile when the laptop otherwise meets your needs but runs only minutes on battery. It does not add capacity beyond the stock 43 Wh specification, so users who need longer unplugged time should look for a higher-capacity alternative if one exists for their chassis.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $74.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium Polymer

Questions about this item

Will the AA-PBUN3AB fit alongside the original battery connector in a Samsung Notebook 5 NP550XTA-K0?

The AA-PBUN3AB is listed as a direct replacement for part numbers AA-PBUN3AB and AA-PBUN3QB, matching the connector and form factor used in the NP550XTA-K0 series.

How can I verify the 11.4V 43Wh battery is working correctly after installation?

After fitting the battery, power on the notebook and confirm the operating system reports a charge capacity near 43Wh and a voltage of 11.4V in the battery health section.

Does the package include only the AA-PBUN3AB battery or are tools and cables supplied as well?

The box contains one AA-PBUN3AB battery; no screwdrivers, opening tools or additional cables are included.

More in Laptop Chargers & Batteries

Similar items