[ltp] Re: [PATCH v2] Re: Battery class driver.

[Pavel Machek]

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.

-- 
Thanks for all the (sleeping) penguins.