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    • Genuine L18C4P71 02DL006 Laptop Battery Replacement for Lenovo ThinkPad X1 Yoga 4th Gen / X1 Carbon 7th 8th Gen SB10K97644 02DL004 L18L4P71 SB10K97642 02DL005 L18M4P72 SB10K97643 15.36V 51Wh 3325mAh
    Genuine L18C4P71 02DL006 Laptop Battery Replacement for Lenovo ThinkPad X1 Yoga 4th Gen / X1 Carbon 7th 8th Gen SB10K97644 02DL004 L18L4P71 SB10K97642 02DL005 L18M4P72 SB10K97643 15.36V 51Wh 3325mAh
    Genuine L18C4P71 02DL006 Laptop Battery Replacement for Lenovo ThinkPad X1 Yoga 4th Gen / X1 Carbon 7th 8th Gen SB10K97644 02DL004 L18L4P71 SB10K97642 02DL005 L18M4P72 SB10K97643 15.36V 51Wh 3325mAh
    Genuine L18C4P71 02DL006 Laptop Battery Replacement for Lenovo ThinkPad X1 Yoga 4th Gen / X1 Carbon 7th 8th Gen SB10K97644 02DL004 L18L4P71 SB10K97642 02DL005 L18M4P72 SB10K97643 15.36V 51Wh 3325mAh
    Genuine L18C4P71 02DL006 Laptop Battery Replacement for Lenovo ThinkPad X1 Yoga 4th Gen / X1 Carbon 7th 8th Gen SB10K97644 02DL004 L18L4P71 SB10K97642 02DL005 L18M4P72 SB10K97643 15.36V 51Wh 3325mAh

    Genuine L18C4P71 02DL006 Laptop Battery Replacement for Lenovo ThinkPad X1 Yoga 4th Gen / X1 Carbon 7th 8th Gen SB10K97644 02DL004 L18L4P71 SB10K97642 02DL005 L18M4P72 SB10K97643 15.36V 51Wh 3325mAh

    $59.99

    In stock, item location: Commerce, CA.ETA:3-5 business days to USPS
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    Battery Capacity

    51Wh 3325mAh.

    Brand

    YuYan

    Voltage

    15.36V

    Model No

    L18C4P71

    Warranty

    12 Months

    The Genuine L18C4P71 02DL006 Laptop Battery is engineered to restore the original performance of your Lenovo ThinkPad X1 series. Designed for ThinkPad X1 Yoga 4th Gen and ThinkPad X1 Carbon 7th/8th Gen, this 15.36V 51Wh 3325mAh lithium-ion battery provides reliable power for your everyday tasks, whether at work, home, or on the go.

     

    Fully compatible with part numbers SB10K97644, 02DL004, L18L4P71, SB10K97642, 02DL005, L18M4P72, SB10K97643, this replacement battery matches OEM standards for safety, durability, and efficiency. With advanced circuit protection against overcharging and overheating, it ensures stable performance and long life.

     

    Replace your old or weak battery with the Genuine L18C4P71, and enjoy uninterrupted productivity and dependable runtime.

     


    4. FAQ

    Q1: Which laptop models are compatible with this battery?
    This battery is compatible with Lenovo ThinkPad X1 Yoga 4th Gen and X1 Carbon 7th/8th Gen.

     

    Q2: What is the capacity of the L18C4P71 02DL006 battery?
    It has a capacity of 51Wh / 3325mAh with a voltage of 15.36V.

     

    Q3: Does this battery replace other part numbers?
    Yes, it replaces SB10K97644, 02DL004, L18L4P71, SB10K97642, 02DL005, L18M4P72, SB10K97643.

     

    Q4: Can I install the battery myself?
    Yes, with the right tools and care, you can replace the battery yourself. For safety, professional installation is recommended if you are unfamiliar with laptop repair.

     

    Q5: How can I extend the lifespan of this battery?
    Keep the battery between 20%–80% charge, avoid extreme heat, and use a genuine Lenovo charger.

     

    Replacement for Part Number：

     

    • L18C4P71 02DL006 SB10K97644 02DL004 L18L4P71 SB10K97642 02DL005 L18M4P72 SB10K97643 5B10W13930 5B10W13931 5B10W13932 SB10T83173 SB10T83174.

     


    Compatible Models:

     

    • Lenovo ThinkPad X1 Yoga 4th Gen (X1 Yoga 2019 Gen) Series
    • Lenovo ThinkPad X1 Yoga 5th Gen (X1 Yoga 2020 Gen) Series
    • Lenovo ThinkPad X1 Carbon 7th Gen (X1 Carbon 2019 Gen) Series
    • Lenovo ThinkPad X1 Carbon 8th Gen (X1 Carbon 2020 Gen) Series

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    Genuine L18C4P71 02DL006 Laptop Battery Replacement for Lenovo ThinkPad X1 Yoga 4th Gen / X1 Carbon 7th 8th Gen – FAQ

     

    1. What laptops are compatible with the Genuine L18C4P71 02DL006 battery?

    This replacement battery is designed for several Lenovo models, including:

    Lenovo ThinkPad X1 Yoga 4th Gen

    Lenovo ThinkPad X1 Carbon 7th Gen

    Lenovo ThinkPad X1 Carbon 8th Gen

    It also supports part numbers: SB10K97644, 02DL004, L18L4P71, SB10K97642, 02DL005, L18M4P72, SB10K97643. Always double-check your original battery model before purchase.

     

    2. What are the technical specifications of this battery?

    Model/Part Number: L18C4P71 / 02DL006

    Voltage: 15.36V

    Capacity: 51Wh / 3325mAh

    Battery Type: Lithium-ion rechargeable

    Condition: Brand new, genuine replacement battery

     

    3. How do I know if this battery will fit my Lenovo laptop?

    Check the label on your original battery for part numbers such as L18C4P71, L18L4P71, or L18M4P72. If your laptop is a ThinkPad X1 Yoga 4th Gen or X1 Carbon 7th/8th Gen, this battery is the correct replacement.

     

    4. How long does the L18C4P71 battery last on a full charge?

    Battery life depends on usage, system settings, and applications. On average, you can expect 5–7 hours of runtime under normal conditions. With power-saving settings, runtime may extend further.

     

    5. Is this a genuine Lenovo battery or a third-party replacement?

    This is a genuine, high-quality replacement built to meet or exceed OEM standards. It is designed for long-lasting performance, full compatibility, and safe charging cycles.

     

    6. How can I maximize the lifespan of my L18C4P71 battery?

    Charge between 20%–80% when possible.

    Avoid leaving the battery plugged in at 100% for extended periods.

    Keep your laptop in a cool, dry environment.

    Perform a full discharge/charge cycle once a month to maintain calibration.

     

    7. How do I replace the L18C4P71 02DL006 battery?

    Power off your laptop and unplug it.

    Use a precision screwdriver to open the back cover.

    Disconnect the old battery’s cable from the motherboard.

    Remove the screws securing the old battery.

    Install the new L18C4P71 battery, reconnect the cable, and screw it in place.

    Replace the back cover and fully charge the new battery before first use.

     

    8. Does this battery come with a warranty?

    Yes, most sellers provide a 12-month warranty and 30-day money-back guarantee. This ensures that your purchase is risk-free and supported in case of defects or issues.

     

    9. Can I use my laptop while charging this battery?

    Yes, the battery is designed for safe charging and usage simultaneously, just like your original Lenovo battery.

     

    10. Where can I buy the Genuine L18C4P71 02DL006 replacement battery?

    You can purchase it from authorized Lenovo parts distributors, professional laptop battery suppliers, or trusted online marketplaces. Always choose a reputable seller to ensure you receive a genuine product.

     

    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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