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    • Genuine Battery Replacement for MacBook Pro A2442(2021) 14-inch A2519 Battery
    Genuine Battery Replacement for MacBook Pro A2442(2021) 14-inch A2519 Battery
    Genuine Battery Replacement for MacBook Pro A2442(2021) 14-inch A2519 Battery
    Genuine Battery Replacement for MacBook Pro A2442(2021) 14-inch A2519 Battery
    Genuine Battery Replacement for MacBook Pro A2442(2021) 14-inch A2519 Battery
    Genuine Battery Replacement for MacBook Pro A2442(2021) 14-inch A2519 Battery
    Genuine Battery Replacement for MacBook Pro A2442(2021) 14-inch A2519 Battery

    Genuine Battery Replacement for MacBook Pro A2442(2021) 14-inch A2519 Battery

    $60.99

    In stock, item location: Commerce, CA.ETA:3-5 business days to USPS
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     1-Year Warranty

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    Battery Capacity

    4379mAh/49.9Wh

    Brand

    YuYan

    Voltage

    11.4V

    Model No

    A2519

    Warranty

    12 months

    The Genuine A2519 Battery is a premium replacement designed for the MacBook Pro 14-inch A2442 (2021). With a 70Wh high-capacity lithium-ion design, it delivers long-lasting runtime, reliable performance, and OEM-level compatibility, making it the perfect replacement for your MacBook Pro.

    Key Features

    • High-Capacity 70Wh Power – supports intensive workloads like design, editing, and development

    • Exact Compatibility – built for MacBook Pro 14" A2442 (2021 model)

    • OEM-Grade Quality – engineered to meet or exceed Apple’s original specifications

    • Advanced Safety Protection – includes safeguards against overheating, overcharging, and short circuits

    • Eco-Friendly Manufacturing – RoHS compliant, no harmful materials such as lead or mercury

    Safety & Reliability

    The A2519 battery uses intelligent power management circuitry for stable voltage and efficient charging. Each unit undergoes rigorous testing to guarantee durability, safety, and consistent performance.

    Packaging & Shipping

    •  Shipped with anti-static bags and shockproof protective materials

    •  Fast worldwide delivery

    • Each battery fully tested before shipping to ensure functionality

    Compatibility Guide

     Compatible Models:

    • MacBook Pro 14-inch A2442 (2021)

     Battery Part Number:

    • A2519

     Not compatible with:

    • MacBook Pro 13" (A2251, A2338, A2289, etc.)

    • MacBook Pro 15" (A1707, A1990, etc.)

    • MacBook Pro 16" (A2485, uses A2780 battery)

    • MacBook Air series (different battery types)

     

    Compatible Apple Part Numbers

    A2519
    A2442 EMC 3650
    MacBook Pro 14-inch M1 MAX 2021 A2442 EMC 3650
    MacBook Pro 14-inch 3.2 GHZ M1 MAX A2442
    MacBook Pro 14-inch M1 Pro 2021 A2442 EMC 3650
    MacBook Pro 14-inch 3.2 GHZ M1 Pro A2442

    Compatible Apple Laptop Models

    MacBook Pro 14-inch M1 Pro 10 CPU 14 GPU
    MacBook Pro 14-inch M1 Pro 10 CPU 16 GPU
    MacBook Pro M1 MAX 10 CPU/24 GPU 14-inch 3.2GHZ
    MacBook Pro 14-inch M1 MAX 10 CPU 24 GPU
    MacBook Pro M1 Pro 8 CPU/14 GPU 14-inch 3.2GHZ
    MacBook Pro M1 Pro 10 CPU/16 GPU 14-inch 3.2GHZ
    MKGT3LL/A
    MKGR3LL/A
    MacBook Pro M1 Pro 10 CPU/14 GPU 14-inch 3.2GHZ
    MacBook Pro 14-inch M1 MAX 10 CPU 32 GPU
    MKGR3LL/A*
    MKGT3LL/A*
    MacBook Pro M1 MAX 10 CPU/32 GPU 14-inch 3.2GHZ
    MacBook Pro 14-inch M1 Pro 8 CPU 14 GPU

     

     

     

    Glories of company

    Factory scene

    Genuine Battery Replacement for MacBook Pro A2442 (2021) 14-inch A2519 Battery – FAQ

     

    1. What is the Genuine A2442/A2519 Battery for MacBook Pro 14-inch (2021)?

    The Genuine A2442 battery (also identified as A2519) is the official replacement battery for the 2021 MacBook Pro 14-inch. It ensures stable performance, long-lasting power, and full compatibility with Apple’s original specifications, including voltage, safety features, and battery management.

     

     

    2. Which MacBook Pro models are compatible with this battery?

    This replacement battery is made for:

    MacBook Pro 14-inch (2021)

    Model Identifier: A2442

    Battery Part Number: A2519

    �� Always check “About This Mac” or the bottom case of your MacBook to confirm compatibility before purchase.

     

    3. What are the technical specifications of the A2519 battery?

    Battery Type: Lithium-polymer (Li-poly)

    Voltage: 11.58V (nominal)

    Capacity: Approx. 70Wh

    Cycle Life: Up to 1,000 charge cycles under normal use

    Safety: Integrated Apple-grade overcharge, thermal, and short-circuit protection

     

     

    4. Why should I choose a genuine replacement battery?

    Using a genuine A2519 battery guarantees:

    100% compatibility with the MacBook Pro A2442 hardware and macOS battery health system

    Stable performance and longer lifespan

    Built-in Apple safety standards to prevent overheating, swelling, or potential hazards

    Reliable energy output for demanding tasks like video editing or coding

    Non-genuine or low-quality batteries may shorten your MacBook’s lifespan or cause serious damage.

     

     

    5. How do I know if my MacBook Pro needs a new battery?

    You may need a replacement if you notice:

    Rapid charge loss even at moderate use

    macOS warning “Service Recommended” under System Settings > Battery

    Unexpected shutdowns while the battery shows charge remaining

    Swelling, overheating, or visible damage to the battery

     

     

    6. Can I replace the MacBook Pro 14-inch (2021) battery myself?

    The A2442/A2519 battery is glued and integrated into the laptop chassis. While DIY replacement is technically possible, it is not recommended unless you have advanced skills and tools. For safety, Apple or certified repair providers are the best choice.

     

     

    7. How long does the A2519 battery last per charge?

    When new and healthy, the MacBook Pro 14-inch (2021) typically offers:

    Up to 17 hours of wireless web browsing

    Up to 20 hours of Apple TV app video playback

    Actual usage may vary depending on workload, brightness, and background applications.

     

     

    8. Does the genuine battery include a warranty?

    Yes. Genuine MacBook Pro replacement batteries usually come with a 12-month warranty, covering manufacturing defects and performance issues. Warranty terms may vary by seller or repair provider.

     

     

    9. How can I maximize the lifespan of my new MacBook Pro A2519 battery?

    Keep macOS updated for optimized power management

    Use only Apple-certified chargers and adapters

    Enable Optimized Battery Charging in System Settings

    Avoid complete discharges to 0% frequently

    Keep your MacBook in normal temperature environments (avoid overheating)

     

     

    10. Where can I buy the Genuine A2519 battery for MacBook Pro A2442 (2021)?

    You can purchase it from:

    Apple official stores or authorized repair providers

    Certified MacBook parts suppliers

    Verified online retailers offering warranty-backed products

     

     

    ✅ In summary: The Genuine A2442/A2519 Battery is the safest and most reliable replacement option for the MacBook Pro 14-inch (2021). Choosing genuine ensures compatibility, performance, and long-term safety.

     

    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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