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From: no@no.no (James Waldby)
Newsgroups: rec.crafts.metalworking
Subject: Re: Simultaneous Multiple Tool Melt Down
Date: Tue, 24 Sep 2024 05:20:02 -0000 (UTC)
Organization: A noiseless patient Spider
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Snag <Snag_one@msn.com> wrote:
> On 9/23/2024 6:02 PM, Bob La Londe wrote:
>> On 9/23/2024 3:39 PM, Bob La Londe wrote:
>>> My preferred cordless tool line for a long time was Milwaukee.
[...]
>>> I just spent $700(+) dollars on four legit (not Amazon or eBay knock 
>>> offs) 8ah DeWalt batteries.  I figure after dropping real coin on 
>>> batteries I'll walk in the shop tomorrow and find melted pools of 
>>> yellow DeWalt plastic everywhere there used to be a DeWalt cordless tool.
>> [...]

>   DeWalt has been my go-to for many years for battery tools . When I 
> was building cabinets I used the 12 volt drills because they were 
> lighter and had plenty of power . I'm using the 18 volt stuff now except 
> for one 20V drill I picked up at a yard sale .

Re 20V Max vs 18, the working voltage is the same, ~18 volts, because
20V Max batteries typically have units of 5 Li ions in series, so
5x3.6 = 18V working vs 15x1.2 nominal for NiCad or NiMH.  Fresh from the
charger 20V Max may read 20 but for most of the discharge cycle, ~18. See
<https://forum.toolsinaction.com/topic/13919-dewalt-batteries-18v-vs-20v/>
<https://cibpartners.co.za/the-truth-about-dewalt-10vmax-batteries> (sic)

If you have 18V XRP batteries with stems vs the flat tops of 18V XR or
20V Max batteries you can get $10-$15 adapters - contacts in a plastic
shell - that let you use 20V Max batteries on 18V XRP. Eg google for
`adapt 20v max to 18v`.  I got one adapter, needing another 18V XRP to
avoid moving batteries from tool to tool during a project.