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Re: [Shop-talk] homeowner/ shop guy cordless drill

To: David Scheidt <dmscheidt@gmail.com>
Subject: Re: [Shop-talk] homeowner/ shop guy cordless drill
From: John Innis <jdinnis@gmail.com>
Date: Thu, 3 Aug 2023 20:36:37 -0500
Cc: shop-talk <shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <1UekcEtM4O.2XtFfbre8Dm.ref@johns-desktop> <1UekcEtM4O.2XtFfbre8Dm@johns-desktop> <FEE17A5E-5EA9-4B47-90A1-703C166C22FB@groupwbench.org> <OF076F1B2B.09CB277A-ON85258A00.00712EFF-85258A00.0072356A@mail.megageek.com> <CA+k5suqK4Vut4XiuS8uATATLPFZoAUq_3Q+wAMeyrY6hioO4Lw@mail.gmail.com>
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The Dewalt 20v 6ah pack uses 21700 cells as well.  Expensive, but there is
a noticeable improvement for SOME tools.  The DCF-900 storm-bringer 1/2
impact driver benefits from the extra current.  The 1/2" hammer drill I
have does not seem to care about it.

On Thu, Aug 3, 2023 at 8:32=E2=80=AFPM David Scheidt <dmscheidt@gmail.com> =
wrote:

> On Thu, Aug 3, 2023 at 5:17=E2=80=AFPM <eric@megageek.com> wrote:
> >
> > OK, this has generated a ton of traffic, so I'll weigh in.
> >
> > I'm a yellow and black guy.  Dewalt is my go to for cordless.  They are
> solid and have tools you've never even heard of before.
> >
> > They have adaptors so you can use the old 18v NiCd with the new 20 Li
> batteries. So you can get the NOS tools for pennies on the dollar and the=
y
> will work with the new batteries.
> >
>
> One of the reasons the old nicad tools are cheap is because they suck,
> compared to modern tools of any brand, even cheap ones.  They're
> designed around the power output of the battery pack, and the nicad or
> NiMH batteries didn't provide much power.  This is perfectly fine for
> things that don't draw much power, but it's pretty limiting for
> anything that drills, saws, or grinds.   it's also why cordless saws
> used to be so incredibly gutless, but there are now cordless table
> saws that work as well as most jobsite corded table saws.
>
> Discharge current of a sub-c nicad (the cell in most nicad tool
> battery packs)  is somewhere around 2 to 4 A; the lithium cells used
> in modern tools can produce 10 to 30A depending on the particular
> cells in the pack; milwaukee high output packs[1] (which use
> physically larger 21700 cells, instead of 18650 in their other packs,
> and commonly used by everyone else) can go even higher.  That means
> 18V lithium packs with three sets of cells in parallel have more
> potential power output than a 15A 120V receptacle, and tools with a
> pair of batteries (common for miter and table saws) are quite capable
> of taking advantage of that.
>
> [1] pretty sure other brands have 21700 packs, too.
>
> --
> David Scheidt
> dmscheidt@gmail.com
> _______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
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>
>

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=3D=3D=3D=3D=3D=3D=3D=3D
=3D Never offend people with style when you   =3D
=3D can offend with substance --- Sam Brown  =3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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<div dir=3D"ltr">The Dewalt 20v 6ah pack uses 21700 cells as well.=C2=A0 Ex=
pensive, but there is a noticeable improvement for SOME tools.=C2=A0 The DC=
F-900 storm-bringer 1/2 impact driver benefits from the extra current.=C2=
=A0 The 1/2&quot; hammer drill I have does not seem to care about it.<br></=
div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On=
 Thu, Aug 3, 2023 at 8:32=E2=80=AFPM David Scheidt &lt;<a href=3D"mailto:dm=
scheidt@gmail.com">dmscheidt@gmail.com</a>&gt; wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex">On Thu, Aug 3, 2023 at 5:17=E2=80=AFP=
M &lt;<a href=3D"mailto:eric@megageek.com"; target=3D"_blank">eric@megageek.=
com</a>&gt; wrote:<br>
&gt;<br>
&gt; OK, this has generated a ton of traffic, so I&#39;ll weigh in.<br>
&gt;<br>
&gt; I&#39;m a yellow and black guy.=C2=A0 Dewalt is my go to for cordless.=
=C2=A0 They are solid and have tools you&#39;ve never even heard of before.=
<br>
&gt;<br>
&gt; They have adaptors so you can use the old 18v NiCd with the new 20 Li =
batteries. So you can get the NOS tools for pennies on the dollar and they =
will work with the new batteries.<br>
&gt;<br>
<br>
One of the reasons the old nicad tools are cheap is because they suck,<br>
compared to modern tools of any brand, even cheap ones.=C2=A0 They&#39;re<b=
r>
designed around the power output of the battery pack, and the nicad or<br>
NiMH batteries didn&#39;t provide much power.=C2=A0 This is perfectly fine =
for<br>
things that don&#39;t draw much power, but it&#39;s pretty limiting for<br>
anything that drills, saws, or grinds.=C2=A0 =C2=A0it&#39;s also why cordle=
ss saws<br>
used to be so incredibly gutless, but there are now cordless table<br>
saws that work as well as most jobsite corded table saws.<br>
<br>
Discharge current of a sub-c nicad (the cell in most nicad tool<br>
battery packs)=C2=A0 is somewhere around 2 to 4 A; the lithium cells used<b=
r>
in modern tools can produce 10 to 30A depending on the particular<br>
cells in the pack; milwaukee high output packs[1] (which use<br>
physically larger 21700 cells, instead of 18650 in their other packs,<br>
and commonly used by everyone else) can go even higher.=C2=A0 That means<br=
>
18V lithium packs with three sets of cells in parallel have more<br>
potential power output than a 15A 120V receptacle, and tools with a<br>
pair of batteries (common for miter and table saws) are quite capable<br>
of taking advantage of that.<br>
<br>
[1] pretty sure other brands have 21700 packs, too.<br>
<br>
-- <br>
David Scheidt<br>
<a href=3D"mailto:dmscheidt@gmail.com"; target=3D"_blank">dmscheidt@gmail.co=
m</a><br>
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<br>
</blockquote></div><br clear=3D"all"><br><span class=3D"gmail_signature_pre=
fix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature">=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D<br>=3D Never offend people with style when you=C2=A0=C2=A0 =3D=
<br>=3D can offend with substance --- Sam Brown=C2=A0 =3D<br>=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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