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    New W-8 2500mAh 9.5Wh Battery for Netgear AirCard 779S AC779S Fuse 779 Replaces 308-10004-01 Grade A Cells 12-Month Warranty

    • Reliable Power for Your AirCard 779S Hotspot Dont let a dead battery disconnect you. This W-8 replacement delivers 2500mAh / 9.5Wh of dependable power for your NETGEAR AirCard 779S, keeping you connected through long workdays or travel.
    • Exact Fit for AirCard 779S & Compatible Models Officially compatible with NETGEAR AirCard 779S, AC779S, Fuse 779, and NTGR779ABB. Replaces OEM part numbers W-8, 308-10004-01, and 308-10005-01.
    • Premium Grade A Li-ion Cells Built to Last Manufactured with high-quality Grade A cells with 3.7V voltage and 2500mAh capacity. Builtin overcharge, overdischarge, shortcircuit, and overtemperature protection. No memory effect charge anytime without capacity loss.
    • Compact & TravelReady Design Lightweight and portable perfect for carrying a spare battery for extended trips. ISO9001, RoHS, and CE certified for safety and reliability.
    • 100% Tested & 12-Month Warranty Each battery is individually tested before shipment to ensure quality and performance. Backed by a full 12-month warranty and 30-day hassle-free returns. Brand new, never used, not refurbished.
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    Any questions? Our AI mode will help you find out quickly.

    Why You Need This Battery

    Your NETGEAR AirCard 779S mobile hotspot is your lifeline to the internet when youre on the road, at a job site, or traveling abroad. When the original battery starts to fail shorter runtime, unexpected shutdowns, or no longer holding a charge your connectivity suffers. Replacing it with a cheap, lowquality battery often leads to false capacity readings, swelling, or failure within months.

    This W-8 battery solves that problem delivering true 2500mAh / 9.5W h capacity with brand new Grade A Li-ion cells. What you see is what you get.

    Important NETGEAR Official Compatibility

    According to NETGEARs official knowledge base, the W-8 battery is compatible with the following devices:

    Compatible Models
    AirCard Series AirCard 779S
    NETGEAR Series AC779S, Fuse 779, NTGR779ABB
    Replaces OEM Part Numbers:

    Common P/N
    W-8
    308-10004-01
    308-10005-01


    Specifications

    You Can Trust

    Specification Detail
    Model W-8
    Chemistry Li-ion
    Voltage 3.7V
    Capacity 2500mAh / 9.5W h
    Color Black
    Safety Standards CE, RoHS, ISO9001
    Condition Brand new Grade A cells
    Warranty 30day moneyback + 12month warranty
    What a Cheap or Failing Battery Costs You

    Interrupted connectivity Hotspot dies during important work or travel.

    Fake capacity Cheap batteries claim 2500mAh but deliver much less.

    Swelling Dangerous bulging that can crack the battery cover.

    Short lifespan Lowgrade cells fail within months.

    What Our Battery Delivers

    Feature Cheap Generic Our Premium Battery
    True Capacity Often under 2000mAh (fake label) 2500mAh (tested)
    Cells Recycled or lowgrade Brand new Grade A
    Runtime (continuous use) 34 hours 68+ hours
    Safety Standards None CE, RoHS, ISO9001
    Warranty None or 30 days 30day return + 12month
    Who Is This Battery For?

    NETGEAR AirCard 779S and AC779S hotspot owners who need reliable power.

    Fuse 779 and NTGR779ABB users looking for a replacement.

    Frequent travelers who want a spare battery ready for extended trips.

    Anyone whose original hotspot battery is swollen or no longer holds a charge.

    Why Choose Our Battery?

    Genuine Grade A Li-ion cells Not recycled or refurbished.

    Exact OEM specifications Matches NETGEARs original 2500mAh / 3.7V design for the W-8 model.

    Advanced safety protection Overcharge, overdischarge, shortcircuit, and overtemperature protection built in.

    No memory effect Charge anytime without capacity loss.

    100% tested Each unit is tested for capacity and cycle life before shipping.

    12month warranty Buy with confidence. If anything goes wrong, weve got you covered.

    Installation Note

    To replace the battery:

    Turn off your hotspot device.

    Open the battery cover.

    Remove the old battery and insert the new W-8 battery, ensuring correct polarity.

    Replace the cover and fully charge before first use.

    Important Usage Tips

    Avoid high temperatures Heat is the battery killer and can cause failure.

    Don't fully drain Avoid letting the battery drop below 2% to prevent wear.

    Use correct charger An improper power adapter may damage the battery.

    Longterm storage If not using for a long time, charge to 80% and store in a dry, cool place.

    Whats Included

    1 x W-8 Replacement Battery (2500mAh / 9.5W h)

    Before You Order Final Checklist

    My hotspot is a NETGEAR AirCard 779S, AC779S, Fuse 779, or NTGR779ABB.
    My original battery part number is W-8, 308-10004-01, or 308-10005-01.
    I have confirmed my device model by checking the label on the back or under the battery.
    I understand this is a dropin replacement no tools required.

    If all boxes are checked, order with confidence.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
    • CONTACT

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