BeerCheeze
Rated XXX
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 Posted: Tue, 01 Aug 2006 11:02:35 Post Subject: |
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Well..... it's not really. The problem is the batteries. Based on load every battery has a different drain level, so you would need to be able to get the stats for the battery and then figure out the load, and then the time to drain based on that load.
For example a battery may drain to 10% capacity on 10% load at 5% per minute. However when you put it under 50% load, it might drain at 20% per minute.
The better the UPS (i.e. more expensive) the better the battery, the longer the drain life. |
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