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    • Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop 20MM 20MN 20HH L17M6P51 L17L6P51 01AV496 01AV495 00NY490 00NY491 00NY492 4X50K14091 11.25V 90Wh 8000mAh
    Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop 20MM 20MN 20HH L17M6P51 L17L6P51 01AV496 01AV495 00NY490 00NY491 00NY492 4X50K14091 11.25V 90Wh 8000mAh
    Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop 20MM 20MN 20HH L17M6P51 L17L6P51 01AV496 01AV495 00NY490 00NY491 00NY492 4X50K14091 11.25V 90Wh 8000mAh
    Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop 20MM 20MN 20HH L17M6P51 L17L6P51 01AV496 01AV495 00NY490 00NY491 00NY492 4X50K14091 11.25V 90Wh 8000mAh
    Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop 20MM 20MN 20HH L17M6P51 L17L6P51 01AV496 01AV495 00NY490 00NY491 00NY492 4X50K14091 11.25V 90Wh 8000mAh
    Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop 20MM 20MN 20HH L17M6P51 L17L6P51 01AV496 01AV495 00NY490 00NY491 00NY492 4X50K14091 11.25V 90Wh 8000mAh
    Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop 20MM 20MN 20HH L17M6P51 L17L6P51 01AV496 01AV495 00NY490 00NY491 00NY492 4X50K14091 11.25V 90Wh 8000mAh

    Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop 20MM 20MN 20HH L17M6P51 L17L6P51 01AV496 01AV495 00NY490 00NY491 00NY492 4X50K14091 11.25V 90Wh 8000mAh

    $69.99

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

    90Wh

    Brand

    YuYan

    Voltage

    11.25V

    Model No

    00NY493

    Warranty

    12 Months

    Upgrade your Lenovo ThinkPad with the Genuine 00NY493 01AV477 Battery Replacement (77+ / 77++), designed to deliver reliable performance and long-lasting power. Built with premium lithium-ion cells, this 11.25V 90Wh 8000mAh battery ensures stable output and extended runtime, making it the ideal choice for business professionals and power users.

     

    This battery is a direct replacement for multiple Lenovo OEM part numbers, including 00NY493, 01AV477, 01AV496, 01AV495, 00NY490, 00NY491, 00NY492, and 4X50K14091. It is fully compatible with Lenovo ThinkPad P50, P51, and P52 series (models 20MM, 20MN, 20HH), supporting seamless integration with your laptop.

     

    With certifications for safety and durability, the battery is engineered to protect against overcharge, overheating, and short-circuiting. Perfect for replacing a worn-out battery or as a reliable backup, this unit restores your laptop’s mobility and efficiency.

     

    Key Features:

    • Condition: Brand New, Genuine Replacement

    • Battery Type: Lithium-ion

    • Voltage: 11.25V

    • Capacity: 90Wh / 8000mAh

    • Model Compatibility: Lenovo ThinkPad P50, P51, P52 Series

    • Part Numbers: 00NY493, 01AV477, 01AV496, 01AV495, 00NY490, 00NY491, 00NY492, L17M6P51, L17L6P51, 4X50K14091

    • Long cycle life and stable power performance

    Bring your Lenovo ThinkPad back to life with this dependable high-capacity replacement battery.

     


    FAQ

     

    Q1: Is this battery original or aftermarket?
    A1: This is a genuine high-quality replacement battery that meets OEM specifications, designed to match Lenovo’s original performance standards.

     

    Q2: Which Lenovo laptops are compatible with this battery?
    A2: This battery works with Lenovo ThinkPad P50, P51, and P52 series laptops, including models 20MM, 20MN, and 20HH.

     

    Q3: What part numbers does this battery replace?
    A3: It replaces 00NY493, 01AV477, 01AV496, 01AV495, 00NY490, 00NY491, 00NY492, L17M6P51, L17L6P51, and 4X50K14091.

     

    Q4: What is the battery’s capacity?
    A4: The battery has a high capacity of 90Wh / 8000mAh, providing extended usage time compared to standard batteries.

     

    Q5: Does this battery have built-in protection?
    A5: Yes. It features overcharge, short-circuit, and overheat protection to ensure safe and reliable use.

     

    Q6: How do I maximize the lifespan of this battery?
    A6: Avoid keeping your laptop plugged in 24/7, perform regular partial discharges, and store the battery in a cool, dry environment when not in use.

     

    Compatible Part Number:

     L17M6P51 SB10K97635 01AV496 SB10T83195 5B10W13952 L17L6P51 SB10K97634 01AV495 SB10T83194 5B10W13951 3ICP7/67/66-2 77++ 00NY493 SB10H45078 3ICP7/67/66-2 00NY492 SB10H45077 3ICP6/67/66-2 01AV477 77+ 00NY491 SB10H45076 4ICP6/65/93 00NY490 SB10H45075 4ICP6/58/92 77

     

    Compatible Laptop Models:

    Repalcement for Lenovo ThinkPad P50 Series,ThinkPad P50-20EN0006GE, ThinkPad P50-20EQ, ThinkPad P50-20EQS05L00, ThinkPad P50-20EQS1QC00, ThinkPad P50-20EQS3V200. Lenovo ThinkPad P51 Series, ThinkPad P51-20HH, ThinkPad P51-20HH001QGE, ThinkPad P51-20HH001RMZ, ThinkPad P51-20HH002WGE. Lenovo ThinkPad P52 Series, ThinkPad P52-20M9, ThinkPad P52-20M90017GE, ThinkPad P52-20M9001FGE, ThinkPad P52-20M9001MGE, ThinkPad P52-20M9001NGE, ThinkPad P52-20MAS14U0F

     

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    Factory scene

    FAQ – Genuine 00NY493 01AV477 Battery 77+ 77++ Replacement for Lenovo ThinkPad P50 P51 P52 Series Laptop

     

    1. What laptops are compatible with this battery?

    This replacement battery is designed for Lenovo ThinkPad P50, P51, and P52 series laptops. It also works with models using battery part numbers such as 00NY493, 01AV477, 01AV496, 01AV495, 00NY490, 00NY491, 00NY492, L17M6P51, L17L6P51, and 4X50K14091.

     

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

    The battery provides 11.25V, 90Wh, and 8000mAh, offering long-lasting performance and reliable power for professional use.

     

    3. What is the difference between Lenovo 77+ and 77++ batteries?

    77+ (6-cell battery): Standard capacity for normal daily use.

    77++ (9-cell battery): Extended capacity (like this 90Wh model), delivering longer runtime—ideal for power users, designers, and engineers.

     

    4. Is this an original Lenovo OEM battery or a replacement?

    This is a genuine replacement battery, fully compatible with Lenovo ThinkPad laptops listed above. It meets OEM quality standards for performance, safety, and reliability.

     

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

    Battery life depends on usage, settings, and applications. On average, you can expect 5–8 hours of runtime for office tasks, and slightly less under heavy workloads like CAD, 3D rendering, or video editing.

     

    6. How do I install this battery?

    Power off your laptop and disconnect the charger.

    Release the battery lock on the bottom of the laptop.

    Remove the old battery and insert the new one until it clicks.

    Lock it into place and power on your laptop.

     

    7. Does the battery require calibration?

    Yes. For the best performance:

    Fully charge the battery to 100%.

    Use it until it drops to around 5–10%.

    Recharge back to 100%.
    This helps optimize its charging cycle.

     

    8. What safety protections does this battery include?

    The battery has overcharge, over-discharge, over-current, and short-circuit protection, ensuring safe and stable operation.

     

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

    Replace your battery if you notice:

    Rapid power drain even after a full charge.

    Laptop shuts down suddenly without warning.

    Battery not charging beyond a certain percentage.

    Swelling or physical damage to the old battery.

     

    10. Does this battery come with a warranty?

    Yes, most sellers provide 12 months warranty with free replacement for manufacturing defects. Always confirm warranty terms with the supplier.

     

    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?

    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.

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