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Eaton Ellipse PRO 850 IEC vs PowerWalker Basic VI 2200 STL

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 PowerWalker Basic VI 2200 STL at 5.9/10.

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

The PowerWalker Basic VI 2200 STL leads on capacity.

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

PowerWalker Basic VI 2200 STL

PowerWalker Basic VI 2200 STL

5.9/10verdict: good, not the best

The PowerWalker Basic VI 2200 STL is a line-interactive UPS for people who want a high power rating for a small stack of network and storage gear. It suits a NAS, router and switch setup that needs USB-signalled shutdown more than long battery time.

Typically about £188.85 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 IECPowerWalker Basic VI 2200 STL
Topology and waveform25%6/105/10
NAS and server integration25%8/107/10
Capacity20%7/108/10
Runtime and battery15%5/104/10
UK outlets and build15%7/105/10
Overall6.7/105.9/10

Specifications

SpecEaton Ellipse PRO 850 IECPowerWalker Basic VI 2200 STL
Capacity (VA / W)850 VA / 510 W2200VA / 1320W
TopologyLine-interactiveLine-interactive
Output waveformnot listedSimulated sine wave
Outlets3 x C13 outlets plus 1 C13 surge-only outletType F, Type E or Type G (4)
Runtime at half load9 min at half load3.9 minutes at half load
USB / network managementUSB port (HID compliant) with Eaton UPS Companion software; no Ethernet or network cardUSB with HID support
Battery12 V / 9 Ah VRLA sealed lead-acid, one battery, user replaceable2 x 12V / 9Ah

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 ›

PowerWalker Basic VI 2200 STL

  • + 1320W rating (2200VA at 0.60 power factor)
  • + USB with HID support listed
  • + Line-interactive topology
  • − Simulated sine wave output
  • − Only 3.9 minutes at half load

Skip it if:

  • Buyers whose equipment requires pure sine wave output
  • Anyone needing long battery runtime at half load
  • Buyers who need confirmed NAS compatibility or warranty detail before ordering
Read the full PowerWalker Basic VI 2200 STL review ›

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