For mission critical business systems, UPSes are a critical necessity as a single brown out, power surge or power outage could easily cost thousands of dollars worth of lost time, lost data and ...

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We have an APC Smart-UPS 1500 battery backup unit. It has switches on it and some other devices. All of a sudden it just powered off completely. Now I don't understand - how is this possible? Isn't it ...

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Old battery's probably swelled up and that's why it's getting stuck. Don't be shy about removing the entire top cover and front of the frame, if needed.