Researched, not hands-on tested.How we review ›
all judged against UPS units at a similar priceThe Eaton Ellipse PRO 850 IEC scores 6.7/10 overall, ahead of the APC Back-UPS Pro BR1600MI at 6.0/10.
The APC Back-UPS Pro BR1600MI leads on capacity and runtime and battery.
The Eaton Ellipse PRO 850 IEC leads on topology and waveform and NAS and server integration.
They score the same on UK outlets and build.
The biggest difference is NAS and server integration, where the Eaton Ellipse PRO 850 IEC scores 8/10 to the APC Back-UPS Pro BR1600MI's 4/10.
The APC Back-UPS Pro BR1600MI is a 1600 VA / 960 W line-interactive UPS for people who want to protect a NAS, router and switch. It suits buyers who want a battery they can swap themselves and six backed-up outlets.
Typically about £370.76 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
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
| Criterion | Weight | APC Back-UPS Pro BR1600MI | Eaton Ellipse PRO 850 IEC |
|---|---|---|---|
| Topology and waveform | 25% | 5/10 | 6/10 |
| NAS and server integration | 25% | 4/10 | 8/10 |
| Capacity | 20% | 8/10 | 7/10 |
| Runtime and battery | 15% | 7/10 | 5/10 |
| UK outlets and build | 15% | 7/10 | 7/10 |
| Overall | 6.0/10 | 6.7/10 |
| Spec | APC Back-UPS Pro BR1600MI | Eaton Ellipse PRO 850 IEC |
|---|---|---|
| Capacity (VA / W) | 1600 VA / 960 W | 850 VA / 510 W |
| Topology | Line-interactive | Line-interactive |
| Outlets | 8 IEC C13: 6 with battery backup and surge, 2 surge-only; input IEC C14 | 3 x C13 outlets plus 1 C13 surge-only outlet |
| Runtime at half load | 1 h 8 min at 100 W (manufacturer figure) | 9 min at half load |
| USB / network management | USB port present | USB port (HID compliant) with Eaton UPS Companion software; no Ethernet or network card |
| Battery | Sealed lead-acid, 24 V nominal, replacement cartridge APCRBC166, user-replaceable without tools | 12 V / 9 Ah VRLA sealed lead-acid, one battery, user replaceable |
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