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    L77991-005 Battery for HP EliteBook 850 G7/G8, 855 G7, ZBook Firefly 15 G8 | 56Wh 3-Cell Li-ion | Replaces L77991-002, L77622-2C1, HSTNN-DB90, CC03XL

    • High-Performance Replacement Battery for HP EliteBook & ZBook Laptops
    • Upgrade your HP laptop with this 56Wh, 3-cell Li-ion replacement battery, designed to perfectly fit:
    • HP EliteBook 850 G7 / 850 G8
    • HP EliteBook 855 G7
    • HP ZBook Firefly 15 G8
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    Overview
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    Any questions? Our AI beta will help you find out quickly.

    Voltage: 11.55V

    Capacity: 56Wh / 4848mAh

    Chemistry: Lithium-ion

    Compatible Part Numbers: L77991-005, L77991-002, L77622-2C1, L77622-2C2, L77622-541, HSTNN-DB90, CC03XL, CC03056XL-PL, 28Y92UC#ABA

    Why Choose This Battery?
    100% OEM-Compatible Direct replacement for your original HP battery.
    Long-Lasting Power Reliable performance for work, travel, and daily use.
    Safety Certified Built with premium lithium-ion cells for stable voltage and overcharge protection.
    Easy Installation No tools required; fits seamlessly into your laptop.

    Note:

    Before purchasing, verify your laptop model and original battery part number.

    For optimal performance, fully charge the battery before first use.

    Compatible Models:

    HP EliteBook 850 G7 (L77991-002, L77622-2C1, HSTNN-DB90)

    HP EliteBook 850 G8 (L77991-005, CC03XL)

    HP EliteBook 855 G7

    HP ZBook Firefly 15 G8

    Package Includes:

    1x Replacement Battery (L77991-005 equivalent)

    Installation Guide

    Upgrade your HP laptop battery today and enjoy extended productivity without interruptions!

    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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