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Battery backup for broadband

APC Back UPS, UK sockets

Keeps the router and fibre box on their own plugs, with six sockets backed by the battery.

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More detail

Keeps the router and fibre box on their own plugs, with six sockets backed by the battery.

  • Output: 650 VA and 400 W at 230 V. Measure all connected equipment and stay below both limits. Source
  • UK connections: BS1363A input. Six UK sockets have battery backup; two more have surge protection only. Source
  • Safety information: EN/IEC 62040-1:2019/A11:2021 and EN/IEC 62040-2:2018 listed. CE EMC certificate linked by the maker. Source
  • Battery: Replaceable lead acid battery, APCRBC110. The maker lists a 24 month battery warranty. Source
  • Model code: BE650G2-UK. Check this exact code for the UK plug and sockets. Source

Why this one

Keeps the router and fibre box on their own plugs, with six sockets backed by the battery.

What was found

It kept a modem, router and three other devices running through power loss. At about 35 W, the reported run lasted 1 hour, 31 minutes and 56 seconds. This is one owner's test, not a lab test at 18 W.

Eclipse Reviews, 13 March 2021, checked 2026-11-01

What owners report

UK owners report smooth switchover with a router and hubs, and working battery backup for computers. One reports a loose internal connection and another a wrong plug supplied. The page mixes countries and variants, so it cannot give a UK fault rate.

Specifications

Output
650 VA and 400 W at 230 V. Measure all connected equipment and stay below both limits.Source: [1]
UK connections
BS1363A input. Six UK sockets have battery backup; two more have surge protection only.Source: [2]
Safety information
EN/IEC 62040-1:2019/A11:2021 and EN/IEC 62040-2:2018 listed. CE EMC certificate linked by the maker.Source: [3]
Battery
Replaceable lead acid battery, APCRBC110. The maker lists a 24 month battery warranty.Source: [4]
Model code
BE650G2-UK. Check this exact code for the UK plug and sockets.Source: [5]

Limits and cautions

  • Plug both the router and fibre box into battery sockets. The two surge only sockets do not keep running in a power cut.
  • We have no checked runtime or minimum load shutdown figure at the guide's 18 W example. Test with your own load and a charged battery.
  • The 35 W test does not promise the same runtime for you. Battery age, temperature and connected equipment change it.
  • Your broadband still needs power in the network upstream. It cannot guarantee internet access or an emergency call.
  • Check the UK model code before ordering. Do not open the case to fix a fault; return it to the seller.
  • The seller warns that opened UPS units and batteries cannot be returned. Read its returns terms before opening.
  • A cheaper single output DC unit needs a separate match for each box's voltage, polarity, connector and current. Do not improvise a splitter.

Sources and dates

Numbered specification sources are linked alongside each value. Shop prices carry their own check and expiry dates.

Researched, not tested by us. Links marked "Ad" can earn us money. No other link here does. How this works.