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    • SAMSUNG WATCH ACTIVE 2 44mm SM-R820 SM-R825 Battery EB-BR820ABY GH43-04966A
    SAMSUNG WATCH ACTIVE 2 44mm SM-R820 SM-R825 Battery EB-BR820ABY GH43-04966A
    SAMSUNG WATCH ACTIVE 2 44mm SM-R820 SM-R825 Battery EB-BR820ABY GH43-04966A
    SAMSUNG WATCH ACTIVE 2 44mm SM-R820 SM-R825 Battery EB-BR820ABY GH43-04966A
    SAMSUNG WATCH ACTIVE 2 44mm SM-R820 SM-R825 Battery EB-BR820ABY GH43-04966A
    SAMSUNG WATCH ACTIVE 2 44mm SM-R820 SM-R825 Battery EB-BR820ABY GH43-04966A

    SAMSUNG WATCH ACTIVE 2 44mm SM-R820 SM-R825 Battery EB-BR820ABY GH43-04966A

    $21.99

    In stock, item location: Commerce, CA.ETA:3-5 business days to USPS
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    • PACKING DETAILS

    • FAQS

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    Battery Capacity

    1.27Wh

    Brand

    YuYan

    Voltage

    3.85V

    Model No

    EB-BR820ABY

    Warranty

    12 Months

    Keep your Samsung Watch Active 2 44mm running at peak performance with the genuine EB-BR820ABY (GH43-04966A) battery. Designed specifically for SM-R820 and SM-R825 models, this replacement battery restores your smartwatch’s original battery life and ensures safe, reliable operation.

    Made from high-quality lithium-ion cells, the battery is built to meet Samsung’s strict standards for performance and safety. Whether your watch drains too quickly or struggles to hold a charge, this genuine battery replacement is the perfect solution.

     

    Key Features:

    • Compatible with Samsung Watch Active 2 44mm SM-R820 / SM-R825

    • Original Samsung EB-BR820ABY battery (GH43-04966A)

    • High-quality lithium-ion cells for reliable performance

    • Restores battery life and maintains device safety

    • Easy installation – professional guidance recommended

    Extend the life of your smartwatch and enjoy uninterrupted use with this genuine replacement battery.

     

    Q1: Is this battery compatible with all Samsung Watch Active 2 models?
    A1: This battery is compatible specifically with the 44mm Samsung Watch Active 2 models SM-R820 and SM-R825.

     

    Q2: How long does the battery last after replacement?
    A2: Battery life varies with usage, but the genuine EB-BR820ABY battery is designed to provide similar performance to the original, typically lasting up to 2 days on a full charge.

     

    Q3: Can I install it myself?
    A3: While some users may install it themselves, professional installation is recommended to avoid damaging your smartwatch.

     

    Q4: Is this a genuine Samsung battery?
    A4: Yes, this is an original Samsung battery (GH43-04966A) ensuring safety and compatibility.

     

    Q5: Will using this battery void my warranty?
    A5: Using a genuine Samsung replacement battery generally does not void your warranty, but we recommend checking Samsung’s warranty policy.

     

    Q6: How should I dispose of my old battery?
    A6: Old lithium-ion batteries should be recycled according to local electronic waste regulations to ensure environmental safety.

     

    Q7: How can I check if my battery needs replacement?
    A7: Signs include faster battery drain, frequent low battery notifications, or your watch not holding a charge.

     

    Compatible Samsung Part Numbers
    EB-BR820ABY
    GH43-04966A

    Compatible Samsung Watch Models
    GALAXY WATCH ACTIVE 2 44MM
    SM-R825U
    SM-R82
    WATCH ACTIVE 2 44MM
    SM-R825 44MM

     

    Glories of company

    Factory scene

    Samsung Watch Active 2 44mm Battery (EB-BR820ABY / GH43-04966A)

     

    1. What devices is this battery compatible with? 

    This genuine Samsung battery (EB-BR820ABY, GH43-04966A) is compatible with Samsung Galaxy Watch Active 2 44mm, including SM-R820 and SM-R825 models. Check your model before purchase.

     

    2. What is the battery capacity and type? 

    Capacity: 340mAh, Type: Lithium-ion (Li-ion) rechargeable battery, Voltage: 3.85V.

     

    3. How long does the battery last on a full charge? 

    Typically 1–2 days under normal use. Heavy usage like GPS tracking, workouts, or continuous notifications may reduce duration.

     

     

    4. Why should I use a genuine Samsung battery? 

    Using a genuine battery ensures optimal performance, reliable battery life, safety from overheating or short-circuit risks, compatibility with Samsung software updates, and long-term durability.

     

    5. How do I replace the battery? 

    Turn off the watch, use proper tools to open it, disconnect the old battery, install the new EB-BR820ABY battery carefully, and reassemble. Professional service is recommended to avoid damage.

     

    6. Will replacing the battery void my warranty? 

    Replacing the battery through unauthorized service centers may void the warranty. Using authorized Samsung service keeps the warranty valid.

     

    7. Is this battery safe for long-term use? 

    Yes. Genuine Samsung batteries include overcharge protection, short-circuit protection, and temperature control for safety.

     

    8. How can I maximize battery life? 

    Lower screen brightness or enable auto-brightness, limit always-on display, reduce unnecessary notifications, keep software updated, and charge using Samsung-certified chargers.

     

    9. How do I know if my watch battery needs replacement?

     Signs include rapid battery drain, unexpected shutdowns, and inability to reach full charge.

     

    10. What’s included in the package? 

    1 × Samsung Watch Active 2 44mm Replacement Battery (EB-BR820ABY / GH43-04966A) and installation guide if purchased from an authorized seller.

     

     

    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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