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    New CC03XL 53Wh 11.55V Li-ion Battery for HP EliteBook 830/835/840/845 G7 G8 ProBook 635 Aero ZBook Firefly 14 Replaces L77608-421 Grade A Cells

    • True 53Wh Capacity No Fake Labels Many sellers advertise 53Wh but ship lowcapacity 45Wh cells. This CC03XL delivers genuine 53Wh you get the real runtime for your HP EliteBook, ProBook, or ZBook.
    • Exact Fit for EliteBook 830/835/840/845 G7/G8 & More Compatible with HP EliteBook 830/835/840/845 G7 & G8, ProBook 635 Aero G7/G8, ZBook Firefly 14 G7/G8, and ZBook Firefly 15 G7. Replaces OEM part numbers CC03XL, L77608-421, L78555-005, L77608-271, L77608-1C1, L77608-2C1, HSTNN-LB8Q, HSTNN-DB9Q, HSTNN-IB9F, CC03053XL-PL. Direct swap.
    • 53Wh 11.55V Li-ion AllDay Business Power Designed for HPs premium business laptops. No more sudden shutdowns at 30% or performance throttling when unplugged. Note: 11.4V and 11.55V batteries are commonly interchangeable both work perfectly.
    • Premium Grade A Cells Built to Last Manufactured with brand new Grade A Liion cells, not recycled or lowgrade. Expect stable voltage, consistent discharge, and 500+ cycle life. No swelling, no false battery gauge.
    • Safe & 100% Tested Builtin overcurrent, overvoltage, overheating, and shortcircuit protection. Each unit tested before shipping. Backed by 30day money return and 1year warranty. Packed in an exquisite box.
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    Why You Need a Reliable 53Wh Battery for Your HP EliteBook, ProBook, or ZBook

    Your HP EliteBook 830/835/840/845 G7/G8, ProBook 635 Aero, or ZBook Firefly is a premium business laptop designed for productivity on the go. But even the best batteries degrade after a couple of years shorter runtime, sudden shutdowns, or swelling. Worse, many
    replacement batteries are fakes: they advertise 53Wh but actually contain 45Wh cells. Your laptop runs for less time, and youve been cheated.

    This CC03XL battery is different. We deliver a true 53Wh capacity using brand new Grade A Liion cells. What you see is what you get.

    Designed for HP Business & Workstation Laptops

    This battery is a direct fit for the following models (Ctrl+F to search):

    Series Compatible Models
    EliteBook 830 G7, 830 G8, 835 G7, 835 G8, 840 G7, 840 G8, 845 G7
    ProBook 635 Aero G7, 635 Aero G8
    ZBook Firefly 14 G7, 14 G8, 15 G7
    Replaces OEM part numbers (partial list):

    Common P/N
    CC03XL / CC03053XL-PL
    L77608-421 / L78555-005
    L77608-271 / L77608-1C1 / L77608-2C1
    HSTNN-LB8Q / HSTNN-DB9Q / HSTNN-IB9F


    Specifications

    You Can Trust

    Specification Detail
    Model CC03XL
    Chemistry Liion
    Voltage 11.55V ( 11.4V interchangeable)
    Capacity 53Wh (true capacity)
    Color Black
    Warranty 1 year
    Packaging Well packed in exquisite box
    Condition Brand new Grade A cells
    What a Cheap or Fake Battery Costs You

    Short runtime Laptop dies halfway through a workday or flight.

    Fake capacity Label says 53Wh, but actual is 45Wh or less.

    Swelling Dangerous bulging that can crack the palm rest or bottom case.

    Performance throttling CPU slows down to prevent random shutdowns.

    What Our Battery Delivers

    Feature Cheap Generic Our Premium Battery
    True Capacity 45Wh or less (fake label) 53Wh (tested)
    Cells Recycled or lowgrade Brand new Grade A
    Runtime (light use) 56 hours 810+ hours
    Swelling Risk High within months Low, proper BMS
    Warranty None or 30 days 30day return + 1 year
    Who Is This Battery For?

    Business professionals who need allday power for remote work.

    IT departments managing fleets of HP EliteBook laptops.

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

    Safety & Reliability

    Every battery includes builtin protection against overcurrent, overvoltage, overheating, and short circuits. Grade A Liion cells ensure consistent power delivery. We test each unit before shipping.

    Installation Note

    Replacing the battery in these HP business laptops requires removing the bottom cover (Torx screws). The battery is connected via a cable. Professional installation is recommended if youre not experienced. Tools not included.

    Whats Included

    1 x CC03XL Replacement Battery (53Wh) well packed in exquisite box

    Before You Order

    Please doublecheck your original battery part number (CC03XL, L77608-421, etc. ) and your laptop model from the compatibility list. This battery will not fit older EliteBook G5/G6 models, consumer Envy/Pavilion laptops, or other brands. Also note that 11.4V and 11.55V are interchangeable both will work. When in doubt, contact us with a photo of your original battery.

    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.
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