About Us

Cisco IP Phone Power SupplyCiscoPowerCube.com is owned and operated by CiscoBuy.com.  We offer an affordable and widely compatible alternative to Cisco OEM branded 48V AC power adapters for the popular Cisco CP-79XX Series of IP Desktop Telephones.  

We make the process of installing Cisco IP Telephones easier and more affordable by providing a single, universally compatible 48V AC power adapter that works with most Cisco desktop telephone models.  

Backed with a Limited Lifetime Warranty and Free Shipping in the continental United States, there are many reasons to purchase your Cisco IP Phone power supplies from CiscoPowerCube.com.

Advantages of purchasing your Cisco telephone 48V power supplies from CiscoPowerCube.com include:

    1. More affordable than Cisco OEM 48V Adapters (CP-PWR-CUBE, CUBE2 and CUBE3
    2. Cross Compatible nearly the entire line of Cisco desktop telephones
    3. Includes AC Power Cord
    4. *Lifetime Product Warranty with Advanced Replacement
    5. In-stock inventory, expedited shipping available = No Waiting, No Lead Times
    6. Professional and courteous service, delivery and support

    CiscoPowerCube.com is headquartered at 736 Center Street, Lewiston, NY 14092.


    Reach us toll-free at 877-582-4726 or via email at sales@ciscopowercube.com

    **Lifetime warranty covers product failure as a result of manufacturing defect only.  Product failure due to mishandling, improper use or environmental events such as power surge or lightning strike are not subject to warranty claim.