APC Back UPS 650 (APWBK650MC) UPS System Logo

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Anonymous Posted on Jul 23, 2008

Problems constant alarm both on battery and mains. Meanwhile the battery is tested ok.

  • Anonymous Apr 05, 2013

    how long time ups battery shutdown

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  • Posted on Dec 28, 2008
Anonymous
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Must be either low main power or cable damaged or not inserted properly

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