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    New AA-PBSN4AF 54Wh 15.4V 3530mAh Li-ion Battery for Samsung NP930SBE NT930SBE NP730QCJ Replaces PBSN4AF 2 Year Warranty Grade A Cells

    • Genuine 54Wh Capacity No Fake Labels Many sellers advertise 54Wh but ship lowcapacity 45Wh cells. This AA-PBSN4AF delivers true 54Wh / 3530mAh you get the real runtime for your Samsung notebook or Galaxy Book.
    • Exact Fit for Samsung Notebook 9 Pen & Galaxy Book Flex Alpha Compatible with Samsung Notebook 9 Pen (NP930SBE series), Notebook Pen S (NT930SBE series), Galaxy Book Flex Alpha (NP730QCJ), and Galaxy Book Flex2 Alpha (NP730QDA). Replaces OEM part numbers AA-PBSN4AF, PBSN4AF, AAPBSN4AF. Direct swap.
    • 15.4V Li-ion AllDay Productivity Designed for Samsungs premium ultraportables. No more unexpected shutdowns at 30% or performance throttling when unplugged. Perfect for travel, remote work, or study.
    • Premium Grade A Cells Built to Last Manufactured with brand new Grade A Liion cells, not recycled or lowgrade. Expect stable voltage, consistent discharge, and 500+ cycle life. No swelling, no false battery gauge.
    • 2Year Warranty Buy with Confidence Each unit is 100% tested before shipping. Backed by 30day money return and a full 2year warranty twice as long as most sellers.
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    Any questions? Our AI beta will help you find out quickly.

    Why You Need a Genuine 54Wh Battery for Your Samsung Notebook or Galaxy Book

    Your Samsung Notebook 9 Pen, Notebook Pen S, or Galaxy Book Flex Alpha is a premium ultraportable. But even the best batteries degrade after a couple of years shorter runtime, sudden shutdowns, or swelling. Worse, many compatible batteries online are fakes: they advertise 54Wh but actually contain 45Wh cells. Your laptop runs for less time, and youve been cheated.

    This AA-PBSN4AF battery is different. We deliver a true 54Wh / 3530mAh capacity using brand new Grade A Liion cells. What you see is what you get plus a 2year warranty for peace of mind.

    Designed for Samsung Notebook & Galaxy Book Series

    This battery is a direct fit for the following models (Ctrl+F to search):

    Samsung Notebook 9 Pen (NP930SBE series):

    NP930SBEK01CN, K01HK, K01US, K02HK

    Samsung Notebook Pen S (NT930SBE series):

    NT930SBEK28A, K38A, K58A, K58F, K716A, KIBK, KT2W, KT3

    Samsung Galaxy Book Flex Alpha (NP730QCJ series):

    NP730QCJK01US, K02US, K04US

    Samsung Galaxy Book Flex2 Alpha (NP730QDA series):

    NP730QDAKA1US, KA3US, KB1US, KB3US

    Replaces OEM part numbers: AA-PBSN4AF, PBSN4AF, AAPBSN4AF



    Specifications

    You Can Trust

    Specification Detail
    Model AA-PBSN4AF
    Chemistry Liion
    Voltage 15.4V
    Capacity 54Wh / 3530mAh (true capacity)
    Color Black
    Warranty 2 Years
    Condition Brand new Grade A cells
    What a Cheap or Fake Battery Costs You

    Short runtime Laptop dies halfway through a flight or workday.

    Fake capacity Label says 54Wh, but actual is 45Wh or less.

    Swelling Dangerous bulging that can crack the palm rest or bottom case.

    Performance throttling CPU slows down to prevent random shutdowns.

    What Our Battery Delivers

    Feature Cheap Generic Our Premium Battery
    True Capacity 45Wh or less (fake label) 54Wh (tested)
    Cells Recycled or lowgrade Brand new Grade A
    Runtime (light use) 56 hours 810+ hours
    Swelling Risk High within months Low, proper BMS
    Warranty None or 30 days 2year (30day return)
    Who Is This Battery For?

    Samsung Notebook 9 Pen owners needing allday power for creative work.

    Galaxy Book Flex Alpha users who want reliable battery life for travel.

    Anyone whose original Samsung battery is swelling or no longer holds a charge.

    Safety & Reliability

    Every battery includes builtin protection against overcurrent, overvoltage, overheating, and short circuits. Grade A Liion cells ensure consistent power delivery. We test each unit before shipping.

    Installation Note

    Replacing the battery in these Samsung ultrabooks requires removing the bottom cover (small Torx screws) and disconnecting the battery flex cable. Professional installation is recommended if youre not experienced. Tools not included.

    Whats Included

    1 x AA-PBSN4AF Replacement Battery (54Wh)

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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