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Eaton Ellipse PRO 850 IEC vs SKE UPS Battery Backup 1500VA/900W -SK1500

Researched, not hands-on tested.How we review ›

all judged against UPS units at a similar price

The Eaton Ellipse PRO 850 IEC scores 6.7/10 overall, ahead of the SKE UPS Battery Backup 1500VA/900W -SK1500 at 4.9/10.

The Eaton Ellipse PRO 850 IEC leads on topology and waveform, NAS and server integration and UK outlets and build.

The SKE UPS Battery Backup 1500VA/900W -SK1500 leads on capacity and runtime and battery.

The biggest difference is NAS and server integration, where the Eaton Ellipse PRO 850 IEC scores 8/10 to the SKE UPS Battery Backup 1500VA/900W -SK1500's 3/10.

Eaton Ellipse PRO 850 IEC

6.7/10verdict: buy

The Eaton Ellipse PRO 850 IEC suits anyone who wants to protect up to three devices from one spot and is happy with USB-only monitoring. It offers 510 W, a USB HID port with Eaton UPS Companion software and a user-replaceable battery. It is a poor fit for anyone who needs network-card management or long battery runtime.

Typically about £285.92 in the UK when we researched itSearch Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

SKE UPS Battery Backup 1500VA/900W -SK1500

SKE UPS Battery Backup 1500VA/900W -SK1500

4.9/10verdict: skip

The SKE SK1500 is a 1500VA / 900W rated battery backup for buyers who want a lot of rated capacity and an LCD showing voltage and load. It suits someone protecting a small NAS, router and switch who will check the voltage and outlet details before buying. It is a weaker fit for anyone who needs confirmed USB shutdown signalling or a clearly stated pure sine output.

Typically about £140.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightEaton Ellipse PRO 850 IECSKE UPS Battery Backup 1500VA/900W -SK1500
Topology and waveform25%6/104/10
NAS and server integration25%8/103/10
Capacity20%7/108/10
Runtime and battery15%5/107/10
UK outlets and build15%7/103/10
Overall6.7/104.9/10

Specifications

SpecEaton Ellipse PRO 850 IECSKE UPS Battery Backup 1500VA/900W -SK1500
Capacity (VA / W)850 VA / 510 W1500VA / 900W rated
TopologyLine-interactivenot listed
Output waveformnot listedSimulated sine wave in battery mode (third-party, GP1500 related model)
Outlets3 x C13 outlets plus 1 C13 surge-only outlet8 outlets per manufacturer product page (6 battery-backed plus surge, 2 surge-only, 3.0 column); 2.0 variant shows 4 battery-backed plus 4 surge-only; sources conflict
Runtime at half load9 min at half load40W = 3 hrs; 80W = 90 mins; 180W = 35 mins; 260W = 22 mins; 360W = 8 mins
USB / network managementUSB port (HID compliant) with Eaton UPS Companion software; no Ethernet or network cardLCD and alarm, plus UPS management software; no USB HID or network port named by manufacturer
Battery12 V / 9 Ah VRLA sealed lead-acid, one battery, user replaceable2 × 12V 9Ah lead-acid (24V, 9AH×2)

Strengths and weaknesses

Eaton Ellipse PRO 850 IEC

  • + 510 W rating with 97% efficiency at maximum load
  • + HID-compliant USB with Eaton UPS Companion software
  • + User-replaceable battery and three-year warranty
  • − 9 minutes at half load is short
  • − No Ethernet port or network card
  • − Only three battery-backed outlets

Skip it if:

  • Buyers who need network-card or Ethernet-based UPS management
  • Anyone needing more than a few minutes of runtime at moderate load
  • Users with more than three devices that all need battery backup
Read the full Eaton Ellipse PRO 850 IEC review ›

SKE UPS Battery Backup 1500VA/900W -SK1500

  • + 900W rating leaves wide headroom over a 100-150W load
  • + Listed 90 minutes at 80W and 35 minutes at 180W
  • + LCD shows input and output voltage and load
  • − No USB HID or network port named by manufacturer
  • − Topology not stated; simulated sine wave in battery mode

Skip it if:

  • Buyers who need confirmed USB HID support for automatic NAS or server shutdown
  • Buyers who want a stated pure sine or online double-conversion output
  • Buyers who can't confirm the 230V input and UK socket type before purchase
Read the full SKE UPS Battery Backup 1500VA/900W -SK1500 review ›

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