Best Desktop UPS Battery Backups Under 1,000 VA Ranked

15 compact UPS battery backups under 1,000 VA.

Last updated: November 9, 2026

Under-1,000 VA units cover a modem, router, NAS and a laptop dock, or one office PC with a single monitor. Most are standby designs with a simulated sine wave and no voltage regulation, which is fine for those loads. Add up the wattage of everything on the battery outlets first: these units are rated 255 to 800 W, and a gaming PC will not fit.

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Full ranking 15

  1. CyberPower EC850LCD
    #1 of 153.2Full review

    A desktop UPS with an LCD and power-saving outlets, for a home office PC with peripherals.

    Amazon $119.95
    $119.95
    850 VA / 510 W--
  2. Eaton 5S700
    #2 of 153.1Full review

    A quiet line-interactive UPS with AVR for a home PC and network gear.

    Amazon $172.47
    $172.47
    700 VA / 420 WLine-interactive-
  3. Tripp Lite INTERNET750U
    #3 of 153.0Full review

    A budget line-interactive UPS with AVR for a home PC.

    Amazon $121.36
    $121.36
    750 VA / 450 WLine-interactive22 min
  4. Tripp Lite AVR900U
    #4 of 153.0Full review

    A budget AVR UPS with software shutdown for a home office PC.

    Amazon $155.99
    $155.99
    900 VA / 480 WLine-interactive, Simulated sine-
  5. APC BE850G2
    #5 of 152.9Full review

    A desktop UPS with longer runtime for a PC, monitor and router.

    Amazon $137.70
    $137.70
    850 VA / 450 W-35 min
  6. CyberPower ST900U
    #6 of 152.9Full review

    A standby UPS for a mid-range desktop PC when you do not need AVR or an LCD.

    Amazon $119.95
    $119.95
    900 VA / 500 WStandby, Simulated sine-
  7. APC BE600M1
    #7 of 152.9Full review

    A small desk UPS for a router, NAS and a laptop.

    Amazon $83.99
    $83.99
    600 VA / 330 W-23 min
  8. CyberPower ST625U
    #8 of 152.8Full review

    A small standby UPS that suits one desktop PC without a gaming graphics card, or a home network closet.

    Amazon $79.95
    $79.95
    625 VA / 360 WStandby, Simulated sine-
  9. CyberPower SL700U
    #9 of 152.8Full review

    A slim standby UPS for a basic desktop PC and a router.

    Amazon $89.95
    $89.95
    700 VA / 370 WStandby, Simulated sine-
  10. Vertiv Liebert PowerUPS 100 PST6-900LVMT
    #10 of 152.8Full review

    A low-cost Vertiv standby UPS for a router, modem and light desktop loads.

    Amazon $89.99
    $89.99
    900 VA / 350 WStandby-
  11. APC BE425M
    #11 of 152.8Full review

    A compact UPS for a Wi-Fi router, modem and a VoIP phone.

    Amazon $62.50
    $62.50
    425 VA / 255 W-15 min
  12. Amazon Basics UPS 800VA
    #12 of 152.7Full review

    A basic standby UPS for a PC and monitor at a low price.

    Amazon $87.96
    $87.96
    800 VA / 450 WStandby-
  13. CyberPower ST425
    #13 of 152.6Full review

    An entry-level standby UPS for a modem, router and a small piece of home networking gear.

    Amazon $59.95
    $59.95
    425 VA / 260 WStandby, Simulated sine-
  14. Vertiv Liebert PowerUPS 100 PUL-350LVT
    #14 of 152.6Full review

    A small lithium standby UPS for hot closets and network gear, with a 5-year warranty.

    Amazon $139.99
    $139.99
    350 VA / 210 WStandby-
  15. Goldenmate 600VA Lithium UPS
    #15 of 152.5Full review

    A compact lithium standby UPS for a router, NAS and desk electronics.

    Amazon $159.99
    $159.99
    600 VA / 360 WStandby, Simulated sine-