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    • Genuine AA-PBRN4ZU Laptop Battery for Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series 15.4V 66.9Wh
    Genuine AA-PBRN4ZU Laptop Battery for Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series 15.4V 66.9Wh
    Genuine AA-PBRN4ZU Laptop Battery for Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series 15.4V 66.9Wh
    Genuine AA-PBRN4ZU Laptop Battery for Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series 15.4V 66.9Wh
    Genuine AA-PBRN4ZU Laptop Battery for Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series 15.4V 66.9Wh
    Genuine AA-PBRN4ZU Laptop Battery for Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series 15.4V 66.9Wh

    Genuine AA-PBRN4ZU Laptop Battery for Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series 15.4V 66.9Wh

    $69.99

    In stock, item location: Commerce, CA.ETA:3-5 business days to USPS
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    Battery Capacity

    66.9Wh/4350mAh

    Brand

    YuYan

    Voltage

    15.4V

    Model No

    AA-PBRN4ZU

    Warranty

    12 Months

    Power your Samsung Galaxy Book with confidence using the Genuine AA-PBRN4ZU Laptop Battery. Designed specifically for Galaxy Book Flex 930QCG, 930QCJ, 930XCJ, and NP950QCG, 950QCG-X01, 950QCG-X03, 950QCJ, 950XCJ series, this high-quality battery delivers stable and reliable performance.

    With a voltage of 15.4V and a capacity of 66.9Wh, it provides long-lasting power to keep your laptop running smoothly during work, study, or entertainment. Engineered to meet Samsung’s rigorous standards, this battery ensures safety, efficiency, and longevity. Perfect for replacing old or worn-out batteries, it restores your laptop’s original performance.

     

    Features:

    • Genuine Samsung replacement battery

    • Compatible with Galaxy Book Flex 930 & 950 series, NP950QCG/NP950QCJ series

    • 15.4V, 66.9Wh capacity for extended runtime

    • Reliable, long-lasting performance

    • Easy installation, no special tools required

    • Certified for safety and quality

     

    FAQ:

    1. Which laptops are compatible with the AA-PBRN4ZU battery?
      The battery is compatible with Samsung Galaxy Book Flex 930QCG, 930QCJ, 930XCJ, NP930QCG, NP930QCG-K01, 950QCG, 950QCG-X01, 950QCG-X03, 950QCJ, 950XCJ, NP950QCG, NP950QCG-X01, and NP950QCG-K01US series.

    2. What is the voltage and capacity of this battery?
      It operates at 15.4V with a capacity of 66.9Wh.

    3. How long will the battery last on a full charge?
      Battery life varies by usage but typically provides several hours of continuous operation for general tasks.

    4. Is it safe to use with my laptop?
      Yes. This is a genuine replacement battery certified for safety and designed specifically for Samsung laptops.

    5. Can I install it myself?
      Yes. It is designed for easy installation without specialized tools.

    6. Will this battery restore my laptop’s original performance?
      Yes. It delivers the same reliable power and runtime as your original Samsung battery.

     

    Replace Part Numbers:

     

    • AA-PBRN4ZU PBRN4ZU AAPBRN4ZU 4ICP5/52/109

     

     

    Compatible Models: (use "Ctrl+F" to find your model quickly)

     

    • Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 Series
    • Samsung Galaxy Book Flex 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series
    • Samsung Galaxy Book Flex 15-NP950 Series
    • Samsung Galaxy Book Flex 13.3 Series

     

    Galaxy Book Flex NP930QCG, Galaxy Book Flex NP930QCG-K01, Galaxy Book Flex NP930QCG-K01CA, Galaxy Book Flex NP930QCG-K01DE, Galaxy Book Flex NP930QCG-K01HK, Galaxy Book Flex NP930QCG-K01US, Galaxy Book Flex NP930QCG-K02, Galaxy Book Flex NP950QCG, Galaxy Book Flex NP950QCG-K01, Galaxy Book Flex NP950QCG-K01CA, Galaxy Book Flex NP950QCG-K01DE, Galaxy Book Flex NP950QCG-K01HK, Galaxy Book Flex NP950QCG-K01US, Galaxy Book Flex NP950QCG-X01, Galaxy Book Flex NP950QCG-X01DE,

     

    • Samsung Galaxy Book Flex2 5G Series

     

    Galaxy Book Ion 15 NP950XCJ-K01DE, Galaxy Book Ion Aura Silver, Galaxy Book Ion NP930XCJ-K01CA, Galaxy Book Ion NP930XCJ-K01HK, Galaxy Book Ion NP930XCJ-K01UK, Galaxy Book Ion NP930XCJ-K01US, Galaxy Book Ion NP930XCJ-K02HK, Galaxy Book Ion NP930XCJ-K02US, Galaxy Book Ion NP930XCJ-K03US, Galaxy Book Ion NP950XCJ, Galaxy Book Ion NP950XCJ-K01US, Galaxy Book Ion NP950XCJ-K02CA, Galaxy Book Ion NP950XCJ-K02US, Galaxy Book Ion NP950XCJ-K03CA, Galaxy Book Ion NP950XCJ-X01DE, Galaxy Book Ion NP950XCJ-X01HK, NP950XCJ-X01, NP930QCA-KA1HK, NP930XCJ, NP930XCJ-K02, NP950QCJ, NT930XCJ-K58A,

    Glories of company

    Factory scene

    Genuine AA-PBRN4ZU Laptop Battery FAQ – Samsung Galaxy Book Flex Series

     

    1. What is the AA-PBRN4ZU Laptop Battery?

    The AA-PBRN4ZU is a genuine replacement laptop battery designed specifically for Samsung Galaxy Book Flex series laptops. With a 15.4V voltage and 66.9Wh capacity, it delivers reliable power for extended laptop use, maintaining your device’s original performance.

     

    2. Which Samsung Galaxy Book models are compatible with this battery?

    This battery is compatible with the following models:

    Galaxy Book Flex: 930QCG, 930QCJ, 930XCJ

    Galaxy Book Flex 2-in-1 / Convertible: 950QCG, 950QCG-X01, 950QCG-X03, 950QCJ, 950XCJ

    NP Series: NP930QCG, NP930QCG-K01, NP950QCG, NP950QCG-X01, NP950QCG-K01US

    Always verify your laptop’s model number before purchasing to ensure full compatibility.

     

    3. What are the key specifications of the AA-PBRN4ZU battery?

    Battery Type: Genuine Samsung Lithium-Ion (Li-ion)

    Voltage: 15.4V

    Capacity: 66.9Wh

    Cell Count: High-capacity multi-cell design

    Warranty: Manufacturer or seller warranty (varies by region)

    This ensures long-lasting performance, stable energy output, and safe operation.

     

    4. How long does this battery last?

    The battery life depends on your usage patterns:

    Typical daily office tasks: 6–8 hours per full charge

    Heavy multimedia or gaming use: 3–5 hours per full charge

    Tip: To extend battery lifespan, avoid letting it fully drain frequently and keep your laptop firmware updated.

     

    5. How do I install the AA-PBRN4ZU battery?

    Power off your Samsung Galaxy Book and unplug it.

    Close the laptop and flip it over.

    Remove the back cover screws carefully.

    Disconnect the old battery’s connector gently.

    Insert the AA-PBRN4ZU battery, aligning it with the connector.

    Replace the screws and back cover.

    Power on your laptop and check battery status in Windows.

    Only attempt installation if you are comfortable opening your laptop; otherwise, seek professional assistance.

     

    6. Is this a genuine Samsung battery?

    Yes, the AA-PBRN4ZU is a 100% genuine Samsung battery, ensuring:

    Optimal compatibility

    Safe charging and discharging

    Reliable, long-term performance

    Avoid counterfeit batteries that can damage your laptop or pose fire hazards.

     

    7. Can I replace this battery myself?

    Yes, if you follow proper safety precautions. Make sure to:

    Power off the laptop completely

    Use an anti-static wrist strap if available

    Handle connectors and screws carefully

    Improper handling may void warranty or damage the battery/laptop.

     

    8. How do I maximize battery lifespan?

    Charge your laptop before it drops below 20%

    Avoid keeping it plugged in at 100% for extended periods

    Store at room temperature when not in use

    Avoid exposure to heat or moisture

     

    9. Why should I choose this battery over third-party alternatives?

    Guaranteed Samsung compatibility

    Maintains original laptop performance

    Built-in overcharge, overcurrent, and short-circuit protection

    Peace of mind with genuine quality and safety

     

    10. Where can I buy the AA-PBRN4ZU Laptop Battery?

    Available from authorized Samsung resellers, online marketplaces, and certified laptop accessory stores. Always check for genuine product certification to avoid counterfeit products.

     

    Focus on working not charging… 

    “3 years ago I ordered what I thought was a simple replacement battery for my laptop. Within weeks it overheated, lost charge quickly, and even damaged my charger port. I was shocked! I knew cheap batteries were risky, but I had no idea how quickly they could fail — and how dangerous they could be for my laptop. That experience inspired me to focus on reliable, safe, and long-lasting power solutions that people can truly trust.”

    Our world has become extremely dependent on laptops, yet too many people rely on cheap, low-quality batteries and adapters that fail quickly and create unnecessary e-waste. Many laptop users are aware of the frustration — shorter lifespans, overheating, constant replacements — and are searching for better solutions. But if we want to protect our devices, our data, and even our environment, we need to start choosing safer, longer-lasting, and more reliable power options.”

    CEO

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    Why YuYan?

    1. Where reliability meets performance

    UL (Underwriters Laboratories) and CE (Conformité Européenne) are globally recognized organizations that set the benchmark for product safety, performance, and compliance. Our laptop batteries and adapters are rigorously tested and certified to meet UL and CE standards, ensuring they are safe, reliable, and compatible with your device. This means every product you purchase from us has passed strict safety checks and delivers dependable power you can trust.

    2. UL & CE Certified Power Solutions

    Our laptop batteries and adapters are rigorously tested and certified to meet UL (Underwriters Laboratories) and CE (Conformité Européenne) safety standards. These certifications ensure that every product delivers consistent performance, protects against overheating, overcharging, and short circuits, and is fully compliant with international regulations. With UL & CE certified power solutions, you can trust that your laptop will run safely, efficiently, and without interruptions — at home, at work, or on the go.

    3. Sleek & Minimal Laptop Power

    Designed to complement your laptop, our batteries and adapters feature a sleek, modern look while delivering reliable power. Compact, minimal, and stylish — they fit perfectly into your workspace or on the go.

    4. Make Our Power Solutions Yours

    Don’t settle for unreliable batteries or adapters. Choose our certified, long-lasting power solutions and make them an essential part of your laptop experience — at home, at work, or on the go.

    5. Engineered for Compatibility: Powering Your Ecosystem.

    This addresses a major pain point. Customers need to know the charger works seamlessly not just with their laptop, but with their phone, tablet, and other USB-C devices. It positions YuYan as a unified power solution for all their tech, reducing cable clutter and complexity.

    6.Built to Last: Durability You Can Depend On.

    This directly counters the fear of buying a cheap product that breaks. It highlights quality construction (e.g., reinforced cables, robust connectors, premium materials) and implies a longer product lifecycle, which is a strong value argument over cheaper, disposable alternatives.

    7.Intelligent Charging: Protect Your Device's Battery Health.

    This showcases advanced technology. Modern chargers with intelligent chipsets can regulate voltage and current to avoid overcharging and overheating, which degrades batteries. This shows YuYan cares about protecting the customer's much more expensive laptop investment.

    8.Eco-Conscious Innovation: Responsible Power.

    This appeals to the environmentally conscious consumer. It can encompass energy-efficient operation (less wasted energy), the use of recyclable materials in packaging or products, and adherence to environmental standards like RoHS. This builds a positive, modern brand image.

    9.Globally Ready: A Worldwide Travel Companion.

    A huge benefit for travelers. If YuYan's chargers support 100-240V input voltage and come with interchangeable plugs (or a versatile design), this is a massive selling point. It tells the global citizen that this is the only charger they need to pack.

    For a Sustainable Laptop Future

    At YuYan, it all starts with a vision: to create reliable, safe, and long-lasting power solutions for laptops everywhere.

    Did you know that millions of low-quality laptop batteries and adapters fail every year, creating unnecessary e-waste and safety hazards? Immediate action needs to be taken to protect both your devices and the environment.

     

    That’s why YuYan was created — to provide high-quality, certified batteries and adapters that are safe, durable, and eco-conscious. We believe the best way to make a positive change is through the products people use every day. A portion of every purchase goes directly to supporting electronic waste reduction initiatives and responsible recycling programs.

     

    By choosing our products, you’re not only ensuring reliable power for your laptop — you’re helping reduce e-waste, protect the environment, and support a sustainable technology future. Thank you for making a difference!

    People Usually Ask

    1: How do I know if this battery/adapter fits my laptop?

    Please check your laptop model or the part number on your original battery/adapter. A full compatibility list is provided in the item description. If you are not sure, feel free to contact us before purchase.

    2: Is this an original (OEM) product?

    No, our products are brand-new high-quality replacement batteries/adapters, fully compatible with the original manufacturer’s specifications. All items are CE / FCC / RoHS certified.

    3: Does the voltage/capacity have to match exactly?

    Voltage (V) must match within ±0.5V of your original battery.

    Capacity (mAh/Wh) can be different: a higher capacity means longer runtime but may be slightly heavier.

    4: Do your batteries have a memory effect?

    No. Our batteries use Grade A Lithium-Ion/Polymer cells and are free from memory effect. You can charge or discharge at any time.

    5: Can I use an adapter with higher amperage or wattage?

    The voltage must match (e.g., 19V adapter for a 19V laptop).

    The amperage (A) and wattage (W) can be equal or higher, but not lower.

    6: How long is the battery lifespan?

    Typically 500–800 charge cycles, which is about 2–4 years under normal usage.

    7. How should I care for my battery?

    Avoid extreme heat or cold.

    Do not leave it plugged in for months without use.

    For long-term storage, keep the battery at 40–60% charge in a cool, dry place.

    8. Why does the battery arrive with partial charge?

    For shipping safety, all batteries are shipped with 30–60% charge. This is normal. Please fully charge the battery before first use..

    9. Do you provide warranty?

    Yes. All our batteries and adapters come with a 12-month warranty. If there is any quality issue, we offer replacement or refund.

    10. Don’t they cut a lot of trees to make these still?

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