backup power for one or 2 linksys routers

Discussion in 'Modding Forum' started by stuartturrell, Mar 11, 2008.

  1. stuartturrell

    stuartturrell LI Guru Member

    In the event of a power failure, i want to ensure my wrt325n and maybe a wrt54gs stay's running, at least for a while after power failure.

    HAs anyone thought of the same and created something, or has anyone any idea's on how to do this?

    I was thinking a UPS supply for a PC, but looking at their outputs (kettle type leads), i would need to do some modding to some wires.

    Any other idea's?

    Many thanks

  2. Toxic

    Toxic Administrator Staff Member

    not all UPS's have a kettle leads. go look for a UPS with a standard plug for your country. I use a APC Back-UPS ES 700VA (UK) with 8 standard UK plugs. 4 of which are backup/surge protected supplied by the Battery and 4 that are just surge protected.

    check out APCs website:
  3. HennieM

    HennieM Network Guru Member

    If you're power failures are not too long a s a rule, you can just insert a 12V battery between the wall transformer and the device. (Make sure you get the polarity right ;)

    Problem is, if the power failure lasts too long, the battery would be drained right down, and (i) would possibly blow your wall transformer when the power comes back, and (ii) not ever get charged to 12/13V again, thus not prividing the necessary power. However, a (still good) 12V 7Ah lead battery should last a WRT54 at least 12 hours without damage. I dunno how much power the WRT325N draws, but it's likely more than the 54.
  4. xcooling

    xcooling LI Guru Member

    I run my routers on custom made powerpacks.

    They are basically dc output ups's.

    12v 3.7amp output. (when the wall power goes off, ur routers stay running.)

    takes a 12v 7ah battery.
  5. Toastman

    Toastman Super Moderator Staff Member Member

    I just run commercial UPS - made up a strip of power connectors to plug all the APS PSU's into it. Then I run the outputs of the PSU's to the individual AP's via the ethernet cables using power over ethernet. Look for articles on how to mod the WRT54's for this. It's easy to do.
  6. DaveMcLain

    DaveMcLain Network Guru Member

    I just run mine off of a regular UPS designed for computer use. It'll run the wrt54g's (two of them) for several hours. Using POE makes this quite easy.
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