- Web Development
How to Write Website Content That Converts Visitors to Leads
11 Mar, 2026
£2262.76 inc. VAT
AI-generated summary
If you’re shopping at ~£1,885 ex-VAT, you’re not buying this UPS for “backup during a power flicker.” The Eaton 9SX Marine is the kind of unit you buy when you need something reliable in a harsher, real-world environment (marine/offshore deployments, typical noisy power, and less forgiving installation conditions). The upside is you get Eaton’s solid reputation and a form factor/approach that suits continuity-focused businesses—think telecom rooms on vessels, critical control/monitoring equipment, POS/data gear for operations that can’t just reboot because the lights dipped. For that use case, it can be good value because the cost is really buying confidence and supportability, not just a few minutes of runtime.
That said, there are two reasons you might *not* want it. First, the “Marine” positioning usually means you’re paying for robustness you may not need if this is a standard office/server closet on clean grid power—there are cheaper Eaton models (and plenty of alternatives) that do the job with less money spent. Second, this is still a single-phase UPS class—so if your setup is already pushing you toward three-phase loads or you’re trying to protect larger/expandable capacity, you’ll likely outgrow it and regret the spend.
**Who should buy:** UK marine/field operations and B2B sites with environmental or power-quality headaches, protecting mission-critical but not massive loads where uptime matters and you want Eaton-grade reliability. **Who should skip:** normal office IT where power is stable, or anyone who needs to scale substantially beyond this class soon—paying “marine” pricing when you don’t need it is the easiest way to waste budget.

APC
APC Smart-UPS Lithium Ion - UPS (rack-mountable) - line interactive, 8x IEC C13, 1x IEC C19, SmartConnect+SmartSlot, AVR, LCD, with network management card - AC 220/230/240 V - 2700 Watt - 3000 VA - USB, serial, RJ-45 - output connectors: 9 - 2U - black with silver front bezel

APC
APC Replacement Battery Cartridge #136 - UPS battery - 1 x battery - Lead Acid - 108 Wh - for P/N: SUA500PDR, SUA500PDR-H, SUA500PDRI, SUA500PDRI-H

APC
APC Back-UPS BE650G2-GR - UPS - AC 230 V - 400 Watt - 650 VA - output connectors: 8 - black

APC
APC Smart-UPS Ultra - External battery pack (rack-mountable) - 1 x battery - Lithium Ion - 18.85 Ah - 1U - for P/N: SRTL2K2RM1UWC, SRTL2K2RM1UWNC, SRTL3KRM1UIC, SRTL3KRM1UWC, SRTL3KRM1UWNC