66.9Wh Samsung AA-PBRN4ZU Battery

66.9Wh AA-PBRN4ZU Battery for Samsung Galaxy Book Flex, Flex2 5G and Galaxy Book Ion Series

This 66.9Wh Samsung AA-PBRN4ZU battery is designed for compatible Samsung Galaxy
Book laptops, including selected Galaxy Book Flex, Galaxy Book Flex2 5G,
and Galaxy Book Ion series models. It is a suitable choice when your current battery
drains quickly, no longer holds a charge, or your Samsung laptop needs stable portable power again.

With a 15.44V output voltage, 4530mAh / 66.9Wh capacity, and
4-cell battery design, this battery supports everyday use such as office work,
study, browsing, email, documents, video playback, online meetings, and travel.

Product Information

Compatible Part Numbers

Please compare the part number printed on your current battery before ordering. This battery is
suitable for the following Samsung battery part numbers:

• Samsung AA-PBRN4ZU
• Samsung BA43-00393A
• Samsung 4ICP5/52/109
• Samsung 1588-3366

Compatible Model Series

This Samsung AA-PBRN4ZU battery is designed for the following Samsung Galaxy Book model series.
Please check both your laptop model and battery part number before placing your order.

Samsung Galaxy Book Flex Series

• Samsung Galaxy Book Flex NP930QCG
• Samsung Galaxy Book Flex NP950QCG
• Samsung NP930QCG
• Samsung NP950QCG

Samsung Galaxy Book Flex2 5G Series

• Samsung Galaxy Book Flex2 5G NP930QCA
• Samsung NP930QCA

Samsung Galaxy Book Ion Series

• Samsung Galaxy Book Ion 13.3 NP930XCJ
• Samsung Galaxy Book Ion 15.6 NP950XCJ
• Samsung NP930XCJ
• Samsung NP950XCJ

Additional Compatible Model References

• Samsung NP930QCG 950QCG 930XCJ 950XCJ

When Should You Replace Your Samsung Galaxy Book Battery?

If your Samsung Galaxy Book laptop no longer provides enough runtime for normal use, replacing the
battery can help restore convenient portable performance without replacing the entire laptop.

• The battery drains much faster than before.
• The laptop shuts down unexpectedly during use.
• The battery percentage drops suddenly or behaves abnormally.
• The laptop only works when connected to the charger.
• The battery does not charge to full capacity.
• Windows or BIOS shows a battery health warning.

Why Buy This AA-PBRN4ZU Battery?

• Designed for Samsung Galaxy Book models: suitable for selected Galaxy Book Flex, Flex2 5G, and Galaxy Book Ion laptops.
• 66.9Wh capacity: supports everyday laptop use, office work, study, browsing, documents, and travel.
• 4-cell battery design: made for compatible Samsung systems using the listed AA-PBRN4ZU battery specifications.
• Stable power output: built for compatible Samsung laptops that use 15.44V AA-PBRN4ZU batteries.
• Brand new battery: a practical option when your current battery becomes weak or unreliable.
• 12-month warranty: gives customers more confidence when ordering.
• 30-day return policy: provides extra peace of mind after purchase.

Important Compatibility Reminder

Samsung laptop batteries may look similar but can have different voltage, connector position,
battery shape, capacity, color, or internal layout. Before ordering, please confirm that your
current battery part number matches one of the listed part numbers, such as
AA-PBRN4ZU, BA43-00393A, 4ICP5/52/109, or
1588-3366.

You can usually find the battery part number printed on the battery label. You can also check your
Samsung Galaxy Book model number on the bottom cover, Windows system information page, BIOS, or
original device label.

Before Ordering

• Verify your exact Samsung laptop model number.
• Compare your current battery shape with the product images.
• Confirm that the battery connector type and position match your original battery.
• Check that your current battery voltage matches the product specification.
• Contact us if you need help confirming compatibility before purchase.

Installation Notes

• Turn off the laptop completely before replacing the battery.
• Disconnect the charger and any external devices.
• Use the correct tools and open the laptop carefully to avoid damaging the case, screen, or internal parts.
• Do not bend, puncture, disassemble, or force the battery during installation.
• Make sure the battery connector is properly aligned before closing the back cover.
• After installation, charge the battery fully before regular use.
• If you are not familiar with Samsung laptop repair, professional installation is recommended.

Frequently Asked Questions

Is this battery suitable for Samsung AA-PBRN4ZU?

Yes. This battery is suitable for Samsung AA-PBRN4ZU.

Is this battery compatible with Samsung BA43-00393A?

Yes. Samsung BA43-00393A is included in the compatible part number list.

Does this battery fit Samsung Galaxy Book Flex NP930QCG?

Yes. This battery is listed for Samsung Galaxy Book Flex NP930QCG.

Can this battery be used for Samsung Galaxy Book Flex NP950QCG?

Yes. This battery is listed for Samsung Galaxy Book Flex NP950QCG.

Does this battery fit Samsung Galaxy Book Flex2 5G NP930QCA?

Yes. Samsung Galaxy Book Flex2 5G NP930QCA is included in the compatible model list.

Does this battery support Samsung Galaxy Book Ion NP930XCJ and NP950XCJ?

Yes. This battery is listed for Samsung Galaxy Book Ion 13.3 NP930XCJ and Galaxy Book Ion 15.6
NP950XCJ.

What voltage is this battery?

This battery has an output voltage of 15.44V. Please compare it with the voltage printed on your
current battery before purchase.

What capacity is this battery?

The battery capacity is 4530mAh / 66.9Wh.

How many cells does this battery have?

This battery uses a 4-cell design.

Is this battery brand new?

Yes. This product is listed as brand new.

What should I check before buying?

Please check your Samsung laptop model, current battery part number, battery voltage, battery shape,
and connector position. The safest way to confirm fit is to compare the part number on your current
battery with AA-PBRN4ZU, BA43-00393A, or
4ICP5/52/109.