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From: "Rob Butts (r DOT butts DOT geda AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Date: Mon, 23 Mar 2020 15:04:25 -0400
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Subject: Re: [geda-user] Tenergy TB6B LiPo Charger
To: geda-user AT delorie DOT com
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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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<div dir=3D"ltr">Both batteries measure 6.9V</div><br><div class=3D"gmail_q=
uote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Mar 23, 2020 at 2:41 PM=
 Nicklas Karlsson (<a href=3D"mailto:nicklas DOT karlsson17 AT gmail DOT com">nicklas.=
karlsson17 AT gmail DOT com</a>) [via <a href=3D"mailto:geda-user AT delorie DOT com">ged=
a-user AT delorie DOT com</a>] &lt;<a href=3D"mailto:geda-user AT delorie DOT com">geda-u=
ser AT delorie DOT com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pad=
ding-left:1ex">&gt; I&#39;m wondering if anyone here has used LiPo 11.1V 3C=
 batteries and the<br>
&gt; Tenergy Battery TB6B charger.<br>
&gt; <br>
&gt; I have batteries I&#39;ve cycled (charged/discharged through use) abou=
t 10<br>
&gt; times.=C2=A0 When I put them on the balanced charger for LiPo 11.1V 2A=
 and they<br>
&gt; fail low voltage.=C2=A0 The google suggested fix is charge them as NiM=
h 7.4V<br>
&gt; 0.2A which does bring them to 7.6V then charge them as LiPos.<br>
&gt; <br>
&gt; The multiple times I&#39;ve done this has worked.=C2=A0 Now I&#39;m ge=
tting them to<br>
&gt; charge to 7.6V as NiMh but they fail low voltage when I charge them as=
 LiPo<br>
&gt; 11.1V.=C2=A0 NOTE: they are not bulged nor do they get hot.<br>
&gt; <br>
&gt; Any suggestions?=C2=A0 Should/could I bypass the balancer and charge<b=
r>
&gt; individually?<br>
&gt; <br>
&gt; Thanks<br>
<br>
Either battery voltage is to low or charger is the problem. Measure battery=
 voltage?<br>
<br>
<br>
Overloading is not good. While old style open lead-acid batteries buble lik=
e home brewn mash Lithium batteries tend to explode.<br>
<br>
<br>
Nicklas Karlsson<br>
</blockquote></div>

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