[Nut-upsdev] Mustek PowerMust 848

[Arjen de Korte]

Citeren Marian Ciobanu <ciobi at inbox.com>:

> I believe the voltage-based charge calculation can be improved, though;
> the main idea is to use different limits for high and low voltage,
> depending on whether there is AC power or not.

Mark the note about BATTERY CHARGE in the blazer man page. What you're  
attempting may appear to work for *one* load condition and the battery  
capacity you have now, but it *will* fail if the either load or  
battery capacity changes. Please familiarize yourself with the Peukert  
equation before attempting to 'improve' the calculation and find that  
this can't be done with the values that are reported by the UPS.

> Now concerning battery.voltage.high/low: this didn't work for me.
> I wonder if I made a mistake in the config file. Here's my ups.conf:
>
> [mustek]
>     driver = blazer_usb
>     battery.voltage.high = 13.8
>     battery.voltage.low = 10

default.battery.voltage.high = 13.8
default.battery.voltage.low = 10

>     port = auto
>     desc = mustek

> With these settings, upsdrvctl doesn't even start. I eventually got it
> working, but only after making changes to blazer_makevartable() and
> blazer_battery().
>
> Did I misunderstand something in the manual?

Absolutely. See what is written under EXTRA ARGUMENTS.

Best regards, Arjen
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