[Nut-upsdev] Tripplite Smart1500SLT configuration?

[Arjen de Korte]

> I thought they might measure it fairly accurately in order to calculate
> time remaining on the battery.

Usually the time remaining on battery is either based on the battery
voltage (cheap) or by counting coulombs (expensive). Both are measured on
the *input* of the inverter. In retrospect, output load is usually
determined by multiplying the output voltage and -current. Only high end
devices will do this by integrating this over time (which makes it
possible to calculate both apparent and active power), while most will
just bluntly multiply the average output current and configured voltage
(apparent power only).

Best regards, Arjen
-- 
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