APC Smart-UPS On-Line SRT Rackmount Battery Pack for 2.2kVA Extended runtime model 72V

Product Overview

AI-generated summary

If you already own an APC Smart‑UPS On‑Line SRT in the extended‑runtime family, this battery pack is a sensible, compatible way to buy more runtime without switching ecosystems. The main reason to consider it is simple: it’s “fit and forget” compared to DIY battery sourcing, and APC’s approach here tends to be reliable for critical rack gear where downtime is expensive. At £1,034 ex‑VAT, it’s not cheap, but the real value is how much it can buy you in time to shut down cleanly or ride through longer outages—especially for SMBs running servers, storage, VoIP, or network gear in a rack.

That said, I wouldn’t buy this “blind”. The biggest reason to say no is if you don’t already have the correct SRT extended‑runtime model/voltage match—compatibility matters, and returns aren’t fun. Also, if your usage only needs short ride‑through (like a couple of minutes) this is often overkill; for that, you’d be paying for runtime you’ll never use. Finally, check whether you’re hitting the point of needing battery replacement anyway—if you’re planning to replace the main UPS soon, you may be better off budgeting for the new unit rather than investing heavily in a pack for aging hardware.

**Who should buy:** teams with APC SRT extended‑runtime UPS units who need longer outage coverage and want a dependable, manufacturer‑supported add‑on. **Who should skip:** anyone without the matching SRT extended‑runtime setup, or anyone whose requirements are short and predictable enough that extra runtime won’t change outcomes.