• Home / 
  • Laptop Battery / 
  • For APPLE Battery
    • Genuine A1331 13" A1342 (Late 2009 Mid 2010) Laptop Battery for Apple MacBook Unibody fits 661-5391 020-6582-A MC233LL/A MC207LL/A MC516LL/A
    Genuine A1331 13" A1342 (Late 2009 Mid 2010) Laptop Battery for Apple MacBook Unibody fits 661-5391 020-6582-A MC233LL/A MC207LL/A MC516LL/A
    Genuine A1331 13" A1342 (Late 2009 Mid 2010) Laptop Battery for Apple MacBook Unibody fits 661-5391 020-6582-A MC233LL/A MC207LL/A MC516LL/A
    Genuine A1331 13" A1342 (Late 2009 Mid 2010) Laptop Battery for Apple MacBook Unibody fits 661-5391 020-6582-A MC233LL/A MC207LL/A MC516LL/A
    Genuine A1331 13" A1342 (Late 2009 Mid 2010) Laptop Battery for Apple MacBook Unibody fits 661-5391 020-6582-A MC233LL/A MC207LL/A MC516LL/A
    Genuine A1331 13" A1342 (Late 2009 Mid 2010) Laptop Battery for Apple MacBook Unibody fits 661-5391 020-6582-A MC233LL/A MC207LL/A MC516LL/A

    Genuine A1331 13" A1342 (Late 2009 Mid 2010) Laptop Battery for Apple MacBook Unibody fits 661-5391 020-6582-A MC233LL/A MC207LL/A MC516LL/A

    $41.99

    In stock, item location: Commerce, CA.ETA:3-5 business days to USPS
    visa master paypal america express gpay applepay

     1-Year Warranty

    30-Day Return Guarantee

    24/7 Friendly Support

    • PACKING DETAILS

    • FAQS

    • CERTIFICATE

    Battery Capacity

    63.5Wh

    Brand

    YuYan

    Voltage

    10.95V

    Model No

    A1331

    Warranty

    12 months

    The Genuine A1331 Laptop Battery is the perfect replacement for the Apple MacBook 13-inch Unibody A1342 (Late 2009 & Mid 2010 models). Designed with high-quality lithium-ion cells, this battery provides extended power, reliable performance, and full compatibility with your original MacBook battery.

    Key Features

    • High-Performance Lithium-Ion Cells – ensures long-lasting battery life and stable output

    • Perfect Compatibility – works with MacBook 13" A1342 (Late 2009 & Mid 2010)

    • OEM Equivalent Standard – meets or exceeds Apple’s original specifications (A1331)

    • Built-in Safety Protection – protects against overcharging, overheating, short-circuiting, and over-discharging

    • Eco-Friendly Design – RoHS compliant, free of toxic substances such as lead and mercury

    Safety & Reliability

    The A1331 replacement battery is engineered with an intelligent control circuit that regulates voltage, temperature, and power distribution, providing safe and efficient charging for your MacBook.

    Packaging & Shipping

    Each battery is carefully packed with anti-static bags and protective foam to prevent damage in transit. Every unit is tested and inspected before shipping to ensure peak performance.

    Compatibility Note

    Compatible Models:

    • MacBook 13" Unibody A1342 (Late 2009, Mid 2010 Versions)

    Compatible Part Numbers:

    • A1331 / 661-5391 / 020-6582-A / MC233LL/A / MC207LL/A / MC516LL/A

     Not compatible with MacBook Pro series or Retina models.

     

    Compatible Apple Part Numbers

    A1331
    A1342 EMC 2395
    020-6809-A
    661-5391
    A1342
    661-5585
    A1342 EMC 2350
    020-6582-A
    020-6580-A

    Compatible Apple Laptop Models

    MC207LL/A
    MacBook Unibody 13 inch MC207LL/A
    MacBook Unibody 13 inch A1342 (Mid 2012)
    MacBook MC516LL/A 13.3 inch
    MacBook Unibody 13 inch
    MacBook Core 2 DUO 2.4GHZ 13.3 inch Unibody A1342(EMC 2395*)
    MacBook Unibody 13 inch MC516LL/A
    MacBook Unibody 13 inch A1342 (Late 2009)
    MC516LL/A
    MacBook MC207LL/A 13.3 inch
    MacBook Core 2 DUO 2.26GHZ 13.3 inch Unibody A1342(EMC 2350*)

     

    Glories of company

    Factory scene

    Genuine A1331 13" A1342 (Late 2009 Mid 2010) Laptop Battery for Apple MacBook Unibody

     

    1. What MacBook models is this A1331 battery compatible with?

    This genuine A1331 replacement battery is designed for Apple MacBook 13" Unibody models A1342 from Late 2009 and Mid 2010. It is fully compatible with part numbers 661-5391, 020-6582-A, and MacBook versions MC233LL/A, MC207LL/A, MC516LL/A.

     
    2. What is the battery’s capacity and performance?

    The A1331 MacBook battery offers reliable power with a long-lasting capacity, providing hours of runtime depending on usage. It is built with high-quality Li-Polymer cells, ensuring stable performance, overcharge protection, and extended lifespan.

     

    3. Is this battery safe to use?

    Yes. This battery includes built-in safety features such as short-circuit protection, overcharge/discharge protection, and temperature control, ensuring safe and stable performance for your MacBook.

     

    4. How do I install the A1331 replacement battery?

    Installation is straightforward and can be done with a small screwdriver. After removing the bottom case of your MacBook, carefully disconnect the old battery and replace it with the new one. If you are not comfortable with installation, we recommend professional assistance.

     

    5. Do I need to calibrate the new battery?

    Yes, calibration is recommended for the best performance. Fully charge the battery to 100%, let it discharge completely until the MacBook shuts down, then recharge it back to 100% without interruption. This helps the system accurately display battery levels.

     

    6. How long will this A1331 battery last?

    With proper care, this replacement battery can last 300–500 full charge cycles, which typically translates to 2–4 years of reliable use depending on usage patterns.

     

    7. Does the battery come with a warranty?

    Yes. The Genuine A1331 replacement battery comes with a 12-month warranty against manufacturing defects, giving you peace of mind with your purchase.

     

    8. Can this battery replace the original Apple battery?

    Absolutely. This A1331 replacement battery is designed to match or exceed the original Apple OEM specifications, making it a perfect fit and reliable substitute for the original.

     

    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

    You might also like

    30% of profits donated

    Built by the forest, now we build the forest

    Free shipping nationwide

    Delivery is on us for all orders over $50

    Money Back 100% Guarantee

    Love it, or receive a full refund on all purchases

    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?

    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

    Secure one-click checkout with these payment options