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	Tue, 24 Mar 2020 09:45:38 -0700 (PDT)
Date:	Tue, 24 Mar 2020 17:45:34 +0100
From:	"Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] Tenergy TB6B LiPo Charger
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You know how many ther are in the pack?

> It is a 11.1v battery unit made up of individual LipPo batteries.  There is
> no way to charge them individually.
> 
> On Mon, Mar 23, 2020 at 4:32 PM Nicklas Karlsson (
> nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] <
> geda-user AT delorie DOT com> wrote:
> 
> > Here https://en.wikipedia.org/wiki/Lithium_polymer_battery at the section
> > charging is something about the voltage. Might be it's not a good idea to
> > discharge to much current.
> >
> > > Both batteries measure 6.9V
> > >
> > > On Mon, Mar 23, 2020 at 2:41 PM Nicklas Karlsson (
> > > nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] <
> > > geda-user AT delorie DOT com> wrote:
> > >
> > > > > I'm wondering if anyone here has used LiPo 11.1V 3C batteries and the
> > > > > Tenergy Battery TB6B charger.
> > > > >
> > > > > I have batteries I've cycled (charged/discharged through use) about
> > 10
> > > > > times.  When I put them on the balanced charger for LiPo 11.1V 2A and
> > > > they
> > > > > fail low voltage.  The google suggested fix is charge them as NiMh
> > 7.4V
> > > > > 0.2A which does bring them to 7.6V then charge them as LiPos.
> > > > >
> > > > > The multiple times I've done this has worked.  Now I'm getting them
> > to
> > > > > charge to 7.6V as NiMh but they fail low voltage when I charge them
> > as
> > > > LiPo
> > > > > 11.1V.  NOTE: they are not bulged nor do they get hot.
> > > > >
> > > > > Any suggestions?  Should/could I bypass the balancer and charge
> > > > > individually?
> > > > >
> > > > > Thanks
> > > >
> > > > Either battery voltage is to low or charger is the problem. Measure
> > > > battery voltage?
> > > >
> > > >
> > > > Overloading is not good. While old style open lead-acid batteries buble
> > > > like home brewn mash Lithium batteries tend to explode.
> > > >
> > > >
> > > > Nicklas Karlsson

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