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    HEAD-TO-HEAD COMPARISON

    Belkin 12-Outlet Surge Protector 3,940J vs CyberPower CP1500AVRLCD3 UPS 1500VA

    We compare the Belkin 12-Outlet Surge Protector 3,940J and CyberPower CP1500AVRLCD3 UPS 1500VA head-to-head on performance, features, value, and more. Here's which one wins.

    Best Overall

    Belkin 12-Outlet Surge Protector 3,940J

    Best surge protector for home use — 12 outlets, 3,940J rating, flat plug design

    Overall:9.3/10
    Check price on Amazon
    Best UPS

    CyberPower CP1500AVRLCD3 UPS 1500VA

    Best UPS for desktops and home servers — 1500VA battery backup with LCD status display

    Overall:9.3/10
    Check price on Amazon

    Score Breakdown

    Belkin 12-Outlet Surge Protector 3,940JCategoryCyberPower CP1500AVRLCD3 UPS 1500VA
    9.5/10 Performance9.5/10
    9.3/10 Features✓ 9.5/10
    9.3/10 ✓Ease of Use8.8/10
    9.3/10 ✓Value9/10
    9.3/10 Overall9.3/10

    Specs Comparison

    Belkin 12-Outlet Surge Protector 3,940JSpecCyberPower CP1500AVRLCD3 UPS 1500VA
    12 AC + 2 USB-AOutlets1500VA / 900W
    3,940JJoule Rating12 (8 battery + 4 surge only)
    8ft flat plugCord~5-8 min under typical load
    $300K connected equipment warrantyWarrantyLCD with runtime, load, voltage
    Phone/coax line protectionProtectionAutomatic Voltage Regulation (AVR)

    Belkin 12-Outlet Surge Protector 3,940J

    Pros

    • + 3,940J — high protection rating for the price
    • + 12 outlets covers any desktop or AV setup
    • + Flat plug — fits behind furniture and near walls
    • + $300K connected equipment warranty

    Cons

    • − 8ft cord is good but not extendable
    • − No USB-C ports
    • − USB-A ports are slow-charge only

    CyberPower CP1500AVRLCD3 UPS 1500VA

    Pros

    • + 1500VA handles full desktop workstation + networking gear
    • + AVR corrects brownouts without draining battery
    • + LCD shows real-time load and runtime estimate
    • + 8 battery-backed + 4 surge-only outlets

    Cons

    • − Heavy — requires a stable desk or floor placement
    • − Initial battery conditioning needed for accurate runtime estimates
    • − Replacement batteries needed every 3-5 years

    Read the full Best Surge Protectors 2026 guide for complete reviews of all 10 products.

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