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    • Genuine Dell Latitude 5320 7320 7420 7520 Laptop Battery 11.4V 42Wh 9JM71
    Genuine Dell Latitude 5320 7320 7420 7520 Laptop Battery 11.4V 42Wh 9JM71
    Genuine Dell Latitude 5320 7320 7420 7520 Laptop Battery 11.4V 42Wh 9JM71
    Genuine Dell Latitude 5320 7320 7420 7520 Laptop Battery 11.4V 42Wh 9JM71

    Genuine Dell Latitude 5320 7320 7420 7520 Laptop Battery 11.4V 42Wh 9JM71

    $39.99

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

    42Wh/3500mAh

    Brand

    YuYan

    Voltage

    11.4V

    Model No

    9JM71

    Warranty

    12 Months

    Upgrade your Dell Latitude laptop with this Genuine Dell 9JM71 Laptop Battery. Designed specifically for Latitude 5320, 7320, 7420, and 7520 models, this battery ensures optimal performance and extended battery life.

    • Capacity: 42Wh

    • Voltage: 11.4V

    • Battery Type: Li-ion, 4-cell

    • Compatibility: Dell Latitude 5320, 7320, 7420, 7520

    This OEM battery provides safe and stable power for your laptop, supporting full-day productivity. Perfect as a replacement for worn-out batteries or as a backup for uninterrupted work.

     

    Key Benefits:

    • OEM quality ensures compatibility and reliability

    • Long-lasting battery life for extended usage

    • Safe and stable performance for all supported Dell Latitude models

    • Easy installation, plug-and-play replacement


    Product FAQ

     

    Q1: Is this battery compatible with my Dell Latitude 7420?
    A1: Yes, this 9JM71 battery is fully compatible with Latitude 5320, 7320, 7420, and 7520 models.

     

    Q2: How long does the battery last on a full charge?
    A2: Typically, the 42Wh battery lasts 4–6 hours depending on usage, settings, and system load.

     

    Q3: Is this an original Dell battery?
    A3: Yes, it is a genuine OEM Dell battery, ensuring safety and performance.

     

    Q4: How do I install this battery?
    A4: Simply power down your laptop, remove the old battery, and insert this replacement battery. No tools are required for most models.

     

    Q5: Will this battery support fast charging?
    A5: The battery supports standard Dell charging protocols. Charging speed depends on your original Dell charger.

     

    Compatible Part Number:

    7FMXV 727CG 0727CG CN-0TN2GY CN-0727CG 0TN2GY TN2GY 9JM71 4M1JN 1PP63 HDGJ8 MHR4G

     

    Compatible Model Numbers:

     

    Replacement for Dell Latitude 5320 series;

    Replacement for Dell Latitude 7320 series (Note: Not fit for Dell Latitude 7320 Detachable);

    Replacement for Dell Latitude 7420 series;

    Replacement for Dell Latitude 7520 series;

    Replacement for Dell Latitude 5320 2-in-1 series;

    Replacement for Dell Latitude 7320 2-in-1 series;

    Replacement for Dell Latitude 7420 2-in-1 series;

    Replacement for Dell P138G P138G001 series;

    Replacement for Dell P139G P139G001 series;

    Replacement for Dell P133G P133G001 series;

    Replacement for Dell P134G P134G001 series;

    Replacement for Dell P135G P135G001 series;

    Replacement for Dell P136G P136G001 series;

    Replacement for Dell P110F P110F001 series.

    Note: Not all the compatible laptop models have been listed. Please open the back case of your laptop and choose the right battery model according to your laptop's original battery.

     

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    Factory scene

    Genuine Dell Latitude 5320 7320 7420 7520 Laptop Battery 11.4V 42Wh 9JM71 – FAQ

     

    1. What is this product?

    This is a Genuine Dell OEM laptop battery specifically designed for Dell Latitude models 5320, 7320, 7420, and 7520. It has a voltage of 11.4V and a capacity of 42Wh, providing reliable and long-lasting power for your laptop.

     

    2. Is this battery compatible with my laptop?

    Yes. The 9JM71 battery is fully compatible with:

    Dell Latitude 5320, 7320, 7420, 7520 series

    It may also fit certain configurations of Dell Precision and Inspiron models; always check your laptop model and battery part number before purchasing.

     

    3. Is this an original Dell battery?

    Yes, this is a genuine Dell OEM battery, not a third-party replacement. It meets Dell’s strict quality standards to ensure safe, reliable, and long-lasting performance.

     

    4. What are the key specifications?

    Model Number: 9JM71

    Type: Li-ion 3-cell

    Voltage: 11.4V

    Capacity: 42Wh

    Compatible Models: Dell Latitude 5320 / 7320 / 7420 / 7520

     

    5. How long does the battery last?

    Battery lifespan depends on usage, charging habits, and laptop settings. Under normal use, this OEM battery typically lasts 2–3 years or 300–500 full charge cycles.

     

    6. How do I install the battery?

    Shut down your laptop and unplug it from power.

    Remove the old battery by sliding the release latches.

    Align the new 9JM71 battery with the battery slot.

    Press firmly until it clicks into place.

    Power on your laptop and check battery recognition in BIOS or Windows.

     

    7. What are the benefits of using this genuine Dell battery?

    Ensures optimal performance and longer battery life.

    Safe and certified to prevent overheating or damage.

    Seamless compatibility with supported Dell Latitude models.

    Retains original laptop warranty protection.

     

    8. Can I ship internationally?

    Yes. This product can be shipped worldwide. Delivery times may vary based on your location.

     

    9. How do I maintain the battery for best performance?

    Avoid full discharges; charge when below 20%.

    Keep your laptop and battery away from extreme heat.

    Store in a cool, dry place if not using for long periods.

     

    10. What warranty does this battery come with?

    This genuine Dell battery typically includes a 12-month manufacturer warranty, ensuring peace of mind for your purchase.

     

    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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