On Saturday 09 January 2016 20:06:50 Dr. Nikolaus Klepp wrote:
> Am Samstag, 9. Januar 2016 schrieb andre_debian@...:
> > First, happy new year 2016 to everybody !
> > Globally, the desktop computers with Linux
> > don't save the battery so long than those with Windows,
> > (and maybe than those with Mac Apple) :
> > about 3 hours with Linux and more than 6 hours on Windows.
> > (no test with Apple).
> > This is a (rare) serious inconvenience for Linux.
> > The kernel doesn't manage correctly the energy usage
> > of the battery, compared to Windows.
> > Hope it will better in a few months, this is important
> > for the travellers.    André

> battery life was definitly better in squeeze with 2.6 kernel, got ~ 5 hours
> from my x61, now on devuan I get ~ 2 hours out of the same battery capacity. 
> Nik

My kernel version (Jessie) is 3.2.0-4-686-pae,
and I don't observe a good energy usage
of the battery, always very lower compared
to Windows and my desktop is recent (april 2015).

André