Motorola Droid 4 -- Stopping charger when battery is full

[Tony Lindgren]

* Pavel Machek <pavel at ucw.cz> [230413 09:37]:
> 
> > * Ivaylo Dimitrov <ivo.g.dimitrov.75 at gmail.com> [230307 14:10]:
> > > Also, some guys have concerns about charging (and keeping it charged) @4.35,
> > > because of the possibly reduced battery life.
> > 
> > Yes for devices connected to a charger for long periods the battery will
> > bloat up within some weeks or months. This happens easily when using a
> > lapdock for example.
> > 
> > A simple and safe solution here might be that we allow charging up to
> > 4.35V only once when the charger is connected. Then we let the voltage
> > decrease to 4.2V (or whatever known good maintenance voltage) if the
> > charger stays connected.
> 
> Optimum solution would be user specifying "I want battery full
> tommorow at 8am" and doing the right thing.

I think you can already do that via sysfs with cron or at :)

> > For folks wanting to force the charge voltage higher we have the sysfs
> > interface.
> 
> Yep, we just need to make sure it is usable for this.

It should be but I have not tried for years. You need to first configure
the allowed voltage for battery via sysfs, then set the charge voltage
for the charger.

Regards,

Tony