X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=gUfb/Ia31Wjxppz7w8i38jtYF+GGFFeDRxA+8ynXpfg=; b=fLx9IYS7I3h11t9wJly2vs3sIkDq0I8zES9pOTvUJBuVzX3ZIVXfpk4AewtBiDUmWv OlUnK0XbsJ/r9EtA73Tik6j2p19Nqn46R6jifRd91d3MEcqFP8k1Uo0oSluqUYAgu1Uu ZM+CSRB5qLmH1NaXeFbzdG24ZIbc6TUnyljCtc2g1dTAgzYnG6Al7Qs98+cNXl7e1cnD 6m0A/JBImqi+5pldObVvlcy3DQFZgbmAho5Dc5xRuJL+RP9dxqYTEOV6gCLO9qLd39ka uzZ0Gbyir92GgIIGIQTdy7s8cDj4o0B09U/3l+BSOkki5JL25A+1vZdoH+Wr0LMFEpmA mtrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=gUfb/Ia31Wjxppz7w8i38jtYF+GGFFeDRxA+8ynXpfg=; b=g6bZWvoM5eLRUkRU+X1sQAJgB2eg6DyqUu7Q6f98hrLzipO5XhgfomkBeSq51dWIlT onOqhToteFjQhsO8+GIqjuQnwBiN1EPp3HdJafreH16IFTB8YsD4alFO2C77tCU7AJlp 8/A/AUzJVivZRi0hSosPCYbzOnGNRpaig3mfuI4skEyv9MLSkmoLnF8O47awXOJvjZoS lrYpSA6JYKqaVuVUvpX+dRLWqTA9ozv6JXoT4CfYgS9sd9l1zVvm6TVIBSmW3YjbcadY XvkCXTpVg3QTM3qq/ePtCpFCa0BdaHBOJZAEVO8diQbhwR6993OdVTDvWjW3DaXL4BSf NscQ== X-Gm-Message-State: ANhLgQ0ge8OKxfpZhmc3ODGnDd6jWhJzoByuyp8TQW8LwCd5hFcty2gE CHvTa8SIsfNJ2u8PKCxhKghFbqOUReGFnjJZZ5ye/g== X-Google-Smtp-Source: ADFU+vsI5tJu7goFDUJIFrx8kzGEWe7Ai2Mui/0zay3eEyzTZJrOrL8rQteQ+AzjrMRmEZhqLwKIWXsVQ+rI3dIlIQc= X-Received: by 2002:a05:6e02:d0a:: with SMTP id g10mr8980920ilj.228.1585004689052; Mon, 23 Mar 2020 16:04:49 -0700 (PDT) MIME-Version: 1.0 References: <20200323190245 DOT fdaebdc11b52d1f734d79d2f AT gmail DOT com> <20200323205229 DOT d73d6db596a9cbf031cdd1e2 AT gmail DOT com> In-Reply-To: <20200323205229.d73d6db596a9cbf031cdd1e2@gmail.com> From: "Rob Butts (r DOT butts DOT geda AT gmail DOT com) [via geda-user AT delorie DOT com]" Date: Mon, 23 Mar 2020 19:04:38 -0400 Message-ID: Subject: Re: [geda-user] Tenergy TB6B LiPo Charger To: geda-user AT delorie DOT com Content-Type: multipart/alternative; boundary="0000000000007559f705a18da956" Reply-To: geda-user AT delorie DOT com --0000000000007559f705a18da956 Content-Type: text/plain; charset="UTF-8" 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 > --0000000000007559f705a18da956 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

It is a 11.1v battery unit made up of individual LipPo bat= teries.=C2=A0 There is no way to charge them individually.

On Mon, Mar 23, 2= 020 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.wi= kipedia.org/wiki/Lithium_polymer_battery at the section charging is som= ething 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 (
> nick= las DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] <
> geda-user AT d= elorie.com> wrote:
>
> > > I'm wondering if anyone here has used LiPo 11.1V 3C batt= eries and the
> > > Tenergy Battery TB6B charger.
> > >
> > > I have batteries I've cycled (charged/discharged through= use) about 10
> > > times.=C2=A0 When I put them on the balanced charger for LiP= o 11.1V 2A and
> > they
> > > fail low voltage.=C2=A0 The google suggested fix is charge t= hem 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.=C2=A0 Now = I'm getting them to
> > > charge to 7.6V as NiMh but they fail low voltage when I char= ge them as
> > LiPo
> > > 11.1V.=C2=A0 NOTE: they are not bulged nor do they get hot.<= br> > > >
> > > Any suggestions?=C2=A0 Should/could I bypass the balancer an= d charge
> > > individually?
> > >
> > > Thanks
> >
> > Either battery voltage is to low or charger is the problem. Measu= re
> > 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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