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    • Genuine EB-BR880ABY Battery for Samsung Galaxy Watch 4 40mm SM-R860 SM-R865 / for Samsung Galaxy Watch 4 Classic 42mm SM-R880 SM-R885 with Repair Tools Set
    Genuine EB-BR880ABY Battery for Samsung Galaxy Watch 4 40mm SM-R860 SM-R865 / for Samsung Galaxy Watch 4 Classic 42mm SM-R880 SM-R885 with Repair Tools Set
    Genuine EB-BR880ABY Battery for Samsung Galaxy Watch 4 40mm SM-R860 SM-R865 / for Samsung Galaxy Watch 4 Classic 42mm SM-R880 SM-R885 with Repair Tools Set
    Genuine EB-BR880ABY Battery for Samsung Galaxy Watch 4 40mm SM-R860 SM-R865 / for Samsung Galaxy Watch 4 Classic 42mm SM-R880 SM-R885 with Repair Tools Set
    Genuine EB-BR880ABY Battery for Samsung Galaxy Watch 4 40mm SM-R860 SM-R865 / for Samsung Galaxy Watch 4 Classic 42mm SM-R880 SM-R885 with Repair Tools Set
    Genuine EB-BR880ABY Battery for Samsung Galaxy Watch 4 40mm SM-R860 SM-R865 / for Samsung Galaxy Watch 4 Classic 42mm SM-R880 SM-R885 with Repair Tools Set

    Genuine EB-BR880ABY Battery for Samsung Galaxy Watch 4 40mm SM-R860 SM-R865 / for Samsung Galaxy Watch 4 Classic 42mm SM-R880 SM-R885 with Repair Tools Set

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    Battery Capacity

    0.95Wh

    Brand

    YuYan

    Voltage

    3.88V

    Model No

    EB-BR880ABY

    Warranty

    12 Months

    Keep your Samsung Galaxy Watch 4 performing like new with the Genuine EB-BR880ABY Battery Replacement Kit. Specially designed for Galaxy Watch 4 40mm (SM-R860/SM-R865) and Galaxy Watch 4 Classic 42mm (SM-R880/SM-R885), this premium-grade battery ensures long-lasting power and reliable performance.

    Crafted with original specifications, the EB-BR880ABY delivers stable output and safety with built-in overcharge and overheat protection. Whether your watch battery drains too quickly, shuts down unexpectedly, or no longer holds a charge, this replacement restores your smartwatch’s full-day usability.

    The package also includes a free repair tools set, making installation convenient and cost-effective without needing professional service.

     

    Key Features:

    • Model: EB-BR880ABY

    • Compatibility: Galaxy Watch 4 40mm (SM-R860/SM-R865), Galaxy Watch 4 Classic 42mm (SM-R880/SM-R885)

    • Durable & Safe: Overcharge, overheat, and short-circuit protection

    • Complete Kit: Battery + free repair tools for DIY installation

    • Reliable Performance: Restores original battery life and watch functionality

    This battery is the perfect solution for extending the life of your Samsung Galaxy Watch 4 series—keeping you connected, active, and on time.

     

    FAQ

    Q1: Is this EB-BR880ABY battery original and compatible with my Samsung Galaxy Watch 4?
    A1: Yes, this is a genuine EB-BR880ABY replacement battery, 100% compatible with Galaxy Watch 4 40mm (SM-R860/SM-R865) and Galaxy Watch 4 Classic 42mm (SM-R880/SM-R885).

     

    Q2: Does this battery come with installation tools?
    A2: Yes, the package includes a free repair tools set to help you easily replace the battery yourself.

     

    Q3: How do I know if I need to replace my watch battery?
    A3: If your watch drains power quickly, shuts down unexpectedly, or doesn’t charge fully, replacing the battery will restore its performance.

     

    Q4: Is it safe to replace the battery by myself?
    A4: Yes, as long as you follow the included instructions and handle the components carefully. The included tools make it a straightforward DIY process.

     

    Q5: How long will the new battery last?
    A5: With normal usage, the genuine EB-BR880ABY battery provides reliable full-day performance and long lifespan, similar to the original battery when the watch was new.

     

     

    Compatible Samsung Part Numbers

    EB-BR880ABY
    EB-BR860ABY

    Compatible Samsung Watch Models
    SM-R860
    SM-R880
    SM-R880NZSCXAA
    SM-R885
    GALAXY WATCH 4 SM-R885U
    GALAXY WATCH4 CLASSIC 42MM
    GALAXY WATCH 4 40MM
    SM-R880NZSAXAA
    SM-R880NZKAXAA
    GALAXY WATCH 4 SM-R865U
    R885U
    SM-R885UZSAXAA
    SM-R885UZKAXAA

     

    Glories of company

    Factory scene

    Genuine EB-BR880ABY Battery for Samsung Galaxy Watch 4 & Watch 4 Classic — FAQ

    1. Q1: Is this battery compatible with my Samsung Galaxy Watch 4?
      A: Yes. This Genuine EB-BR880ABY Battery is designed specifically for: Samsung Galaxy Watch 4 (40mm, models SM-R860 / SM-R865) and Samsung Galaxy Watch 4 Classic (42mm, models SM-R880 / SM-R885). If your smartwatch matches these models, this battery will fit perfectly.

    2. Q2: What is the battery capacity and performance?
      A: The EB-BR880ABY battery offers original-grade performance with stable power, ensuring your Galaxy Watch 4 functions reliably throughout the day. It maintains long-lasting usage time, similar to the factory-installed battery.

    3. Q3: Does the package include repair tools?
      A: Yes. This replacement kit comes with a repair tools set that allows you to safely open your watch and install the new battery without needing extra tools.

    4. Q4: Is the installation difficult?
      A: Installation requires some care, but with the included tool kit, most users can replace the battery themselves. If you’re not comfortable opening your watch, we recommend professional installation to avoid damage.

    5. Q5: Is this an original Samsung battery?
      A: Yes. This is a genuine EB-BR880ABY battery, made to meet Samsung’s specifications for safety, performance, and durability.

    6. Q6: How do I know if I need a battery replacement?
      A: You may need to replace your Galaxy Watch 4 battery if you experience: rapid battery drain, watch shutting down unexpectedly, overheating during use or charging, or difficulty charging to 100%.

    7. Q7: Does replacing the battery fix charging issues?
      A: In most cases, yes. If your Galaxy Watch 4 is not holding charge or drains too quickly, a battery replacement often restores normal charging and usage. However, if the issue persists, it could be related to the charging dock or internal circuitry.

    8. Q8: How long does the replacement battery last?
      A: With proper care, the EB-BR880ABY battery can last 2–3 years, similar to the original Samsung battery life cycle.

    9. Q9: Do I need to calibrate the new battery?
      A: Yes, we recommend calibrating the battery after installation: Fully charge the watch to 100%, use it until it powers off completely, then fully recharge again to 100%. This helps the watch system recognize the new battery’s capacity.

    10. Q10: Is there a warranty on this replacement battery?
      A: Most sellers provide a warranty period (usually 6–12 months). Please check with your seller for specific warranty terms.

     

    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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