Quick answer
Network equipment draws little power, so a small UPS can keep a router, fibre terminal, switch and access points online for hours. Choose between a standard UPS and a DC UPS made for routers, size it from the total load and the hours you want, and protect against surges when power returns. Remember that the ISP's own street equipment may also lose power.
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Shop all inverter products →Key takeaways
- Put the fibre terminal, router, switch and access points on a UPS.
- DC UPS units suit routers and cameras efficiently.
- Size by load and desired runtime.
- Surge protection protects when power returns.
- Your ISP's equipment can also fail in outages.
01Which UPS?
| Type | Good for | Notes |
|---|---|---|
| Standard (AC) UPS | Computers, switches, servers | Familiar and widely available |
| DC UPS / mini UPS | Routers, ONTs, small cameras | Efficient for small loads |
| Larger rack UPS | Server rooms | Bigger load and runtime |
| Solar and battery backup | Long outages | A bigger project |
02Sizing in four steps
- 01List devicesAnd their power rating.
- 02Add the loadTotal watts, plus margin.
- 03Choose runtimeHow many hours you want.
- 04Pick the UPSCapacity and type to match.
- 05TestSwitch off mains and time it.
03Get advice
See also best UPS for Wi-Fi router and POS.
When to call a professionalWe size and install backup power for your network. Call 0113 301 244 or WhatsApp us.
04Frequently asked questions
How long will a UPS keep my router on?
Depends on battery size and load; small DC units can run a router for hours.
Does my ISP's line still work?
Only if their street equipment has power; ask your provider.
Is solar backup possible?
Yes; ask about solar and battery backup for longer outages.
