Messages in this thread | | | Date | Thu, 2 Nov 2006 21:20:32 +0000 | From | Pavel Machek <> | Subject | Re: [ltp] Re: [PATCH v2] Re: Battery class driver. |
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Hi!
> >Well, "Wh" measures energy and not power, and "Ah" > >measures electric charge > >and not current, so it would be better to make that: > > > >capacity_*_energy (Wh-based) > > > >and > > > >capacity_*_charge (Ah-based) > > > >Also, should we go with mWh/mAh, or with even smaller > >units because of the > >tiny battery-driven devices of tomorrow? > > > Having seen a French consultant with a Windows laptop > reporting mJ (Joules) I bet that came from the hardware. > And given that laptop batteries run at (almost) constant > voltage, could all of these just be converted to mWh for > consistency?
li-ions run from 4.2V down to 3.6V without problems, and you can use them down to 3.0V. I've ran zaurus down to 3.3V, IIRC. That's quite a big range.
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