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    • Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh
    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh

    Genuine A1405 A1377 Replacement Laptop Battery for Apple Mid 2011 Late 2011 MacBook Air 13-inch A1369 EMC 2469 MC965 MC966 BTO CTO MC503 MC504 Battery MacBook Air 13 A1369 Apple A1405 Battery 50Wh

    $39.90

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

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    Battery Capacity

    50Wh/6700mAh

    Brand

    YuYan

    Voltage

    7.3V

    Model No

    A1405

    Warranty

    12 months

    The A1405 / A1377 Laptop Battery is a high-quality replacement for the Apple MacBook Air 13-inch A1369 (Mid 2011 & Late 2011, EMC 2469). Featuring a 50Wh lithium-ion design, this battery delivers reliable runtime, consistent performance, and full compatibility with your original Apple battery.

    Key Features

    • 50Wh High-Capacity Lithium-Ion Cells – ensures extended working time and stable power output

    • Full Compatibility – designed for MacBook Air 13" A1369 (Mid & Late 2011, EMC 2469)

    • OEM Equivalent Performance – meets or exceeds Apple’s original specifications (A1405, A1377)

    • Built-in Multi-Protection Circuitry – safeguards against overcharging, overheating, over-discharging, and short circuits

    • Eco-Friendly Materials – RoHS certified, free from lead, mercury, and harmful chemicals

    Safety & Reliability

    The replacement A1405 battery is equipped with a smart power management circuit, balancing cell performance while regulating voltage and temperature, ensuring safe charging and long-lasting durability.

    Packaging & Shipping

    Each battery is carefully packaged with anti-static protection and foam cushioning to prevent damage in transit. All units undergo strict quality testing before shipping to guarantee functionality.

    Compatibility Note

     Compatible Models:

    • MacBook Air 13" A1369 (Mid 2011, Late 2011 Versions, EMC 2469)

     Compatible Part Numbers:

    • A1405 / A1377 / MC965 / MC966 / MC503 / MC504 / BTO / CTO

    Not compatible with MacBook Air 11-inch or MacBook Pro models.

     

    Compatible Apple Part Numbers
    A1405
    020-8142-A
    020-8143-A
    BH302LL/A
    MC965LL/A*
    MD628LL/A
    MD760LL/A
    MD760LL/A*
    MD760LL/B
    MJVE2LL/A*

    Compatible Apple Laptop Models
    MacBook Air "Core I7" 1.7 13" (Mid-2013)
    MacBook Air "Core I7" 2.2 13" (Early 2015)
    MacBook Air 11.6 inch BH302LL/A
    MacBook Air 11.6 inch MC965
    MacBook Air 13 inch A1466 (2013 Version)
    MacBook Air 13" A1466 Early 2014
    MacBook Air 13" A1466 Early 2015
    MacBook Air 13.3 inch BH302LL/A
    MacBook Air 13.3 inch MD508LL/A*
    MacBook Air 13.3 inch MD628LL/A*
    MacBook Air 13.3" MD760ZP/A
    MacBook Air Core I5 1.3GHZ 13.3 inch A1466(EMC 2632)
    MacBook Air Core I5 1.6GHZ 13.3 inch A1369(EMC 2469)
    MacBook Air Core I7 1.7GHZ 13.3 inch A1466(EMC 2632)
    MacBook Air Core I7 2.0GHZ 13.3 inch A1466(EMC 2559)
    MQD52LL/A

     

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    Genuine A1405 / A1377 Replacement Laptop Battery for MacBook Air 13-inch (Mid 2011 & Late 2011) – FAQ

     

    1. What MacBook models are compatible with this A1405 / A1377 battery?

    This Genuine A1405 / A1377 battery is fully compatible with the following MacBook Air 13-inch models:

    Mid 2011: MacBook Air 13-inch A1369, EMC 2469

    Late 2011: MacBook Air 13-inch A1369, EMC 2469
    It also fits these model identifiers: MC965, MC966, BTO, CTO, MC503, MC504.

     

    2. What is the battery capacity and specifications?

    Battery Type: Li-ion rechargeable

    Capacity: 50Wh

    Voltage: 7.3V

    Cell Count: 4 cells

    Brand: Genuine Apple replacement battery (A1405 / A1377)
    This ensures reliable performance and longevity equivalent to the original battery.

     

    3. How do I know if I need a replacement battery?

    Signs you may need a new MacBook Air 13-inch battery include:

    The laptop does not hold a charge or drains quickly

    Unexpected shutdowns or battery warnings

    MacBook shows “Service Battery” in macOS battery status

     

    4. Is this a genuine Apple battery or third-party?

    This A1405 / A1377 battery is a genuine Apple replacement battery, providing the same quality, performance, and safety standards as the original factory-installed battery.

     

    5. How do I replace my MacBook Air 13-inch battery safely?

    Power off your MacBook Air and disconnect the charger.

    Use a Pentalobe screwdriver to remove the bottom case screws.

    Carefully disconnect the old battery connector from the logic board.

    Remove the old battery and replace it with the A1405 / A1377 battery.

    Reconnect the battery connector and screw the bottom case back on.

    Power on your MacBook Air and verify battery recognition in macOS.

    ⚠️ Tip: Always handle batteries carefully and avoid puncturing or exposing them to high heat.

     

    6. How long will this battery last?

    With proper usage, the Genuine A1405 / A1377 MacBook Air battery can last 3–5 years or 300–500 full charge cycles, depending on your usage patterns.

     

    7. Can I still use my MacBook Air while charging?

    Yes, you can use your MacBook Air while charging. The battery management system in macOS will automatically manage charging to optimize battery lifespan.

     

    8. What warranty is included?

    Most suppliers provide a 12-month limited warranty for genuine replacement batteries, covering defects and performance issues.

     

    9. Where can I buy the A1405 / A1377 replacement battery?

    This battery is available from authorized Apple service centers and reputable online sellers specializing in genuine MacBook Air parts. Buying genuine ensures compatibility, safety, and optimal battery life.

     

    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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