- Network Admin
The Guide to Network Performance Testing Tools
18 Mar, 2026






£1263.37 inc. VAT
AI-generated summary
The APC SRV2KRILRK is the sort of “serious power insurance” you put on a server closet door and forget about—because that’s what you want from an online, double-conversion UPS. In practice, the online topology keeps output stable during messy mains conditions and switches, so it’s a good fit for business-critical kit that hates brownouts and spikes: servers, network gear, storage arrays, VoIP, small VDI clusters—anything where a sudden reboot is more painful than paying for protection. If you’re running something sensitive (or you’ve had power quality issues at the site), this is a more sensible buy than stepping down to a line‑interactive unit, because the UPS is doing the heavy lifting continuously.
That said, £1,043 ex‑VAT isn’t pocket change, so I’d only recommend it if you actually need that level of protection and capacity. If this is mainly for a couple of small office PCs, basic NAS, or a single router/switch that can tolerate brief interruptions, you may be overbuying—you’d likely get similar day-to-day outcomes with something cheaper and easier to live with. Also, make sure you’re clear on runtime expectations with your real load (and that you’ll handle battery replacement over the UPS’s life); the “total cost” conversation is where these models either make sense or start to feel pricey.

APC
APC Replacement Battery Cartridge #164 - UPS battery - 1 x battery - Lead Acid - 128 Wh - black - for Back-UPS Pro BR900MI

APC
APC Back-UPS BE Series BE500G2 - UPS (wall mountable / surface mountable) - USB Type A - AC 230 V - 300 Watt - 500 VA - 9 Ah - output connectors: 8 - United Kingdom - black

APC
APC Back-UPS BX Series BX1600MI - UPS - AC 230 V - 900 Watt - 1600 VA - 7 Ah - output connectors: 6

APC
APC Easy UPS SRV 240V Battery Pack - UPS battery - Lead Acid - for P/N: SRV10KIL, SRV6KIL
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