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need to buy a battery backup but not sure what specs?


DGTalic

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Posted · need to buy a battery backup but not sure what specs?

Hi, I need to buy a battery backup for my UM2 Extended+ but haven't been able to find the specification of the machine. The link is broken in the support site. Does anyone know what spces should the battery backup have? Many thanks.

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    Posted · need to buy a battery backup but not sure what specs?

    I'm not the right person to answer that question as I have no experience with that type of setup. But, those that do will probably also want to know for how long the printer needs to be able to run without power?

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    Posted · need to buy a battery backup but not sure what specs?

    Do bear in mind, most low end UPS' have a changeover time. I've measured this across a few units with an oscilloscope and have found that the nasty "modified sine wave" (square wave to you and me) doesn't properly kick in for 15ms in some cases.

    If you really have a concern about this, look up a "duel conversion" UPS. They are always outputting from their inverter (and most output a proper sine wave). So when there's a blackout or brownout, the supply is never lost.

    Then it's just a case of sizing one for your printer.

    CJ

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