From: none@none.com99
On 9/25/2024 12:02 PM, Richard Smith wrote:
> Bob La Londe writes:
>
>> My preferred cordless tool line for a long time was Milwaukee. Used
>> to be Makita 30 years ago but they kind of fell behind. Day in day
>> out as a contractor I bought Milwaukee cordless. When one of my
>> drills died, and new brushes didn't revive it, and then I got down to
>> just one good battery I gave up and went cheap. I used the Harbor
>> Freight Bauer line. Its not horrible, the tools are cheap, and the
>> bigger batteries are actually decent. After my dad passed away I
>> found he had gone with DeWalt. I gave all my Bauer tools to my son
>> and started using my dad's DeWalt stuff. Well, not in that order.
>>
>> I also found (with both Bauer and DeWalt) that for some tools the
>> smaller batteries are fine. I figured they would be fine for
>> everything. They just wouldn't run as long. No. That's not
>> true. Some tools just wouldn't run very well on the smaller batteries
>> that usually come with the "packages." A couple come to
>> mind. Cordless angle grinder, chainsaw, hedge trimmer... Bauer or
>> DeWalt both kind of bogged out instantly with the small batteries and
>> produced respectably with 4AH or bigger batteries.
>>
>> 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.
>>
>>
>> --
>> Bob La Londe
>> CNC Molds N Stuff
>
> I use 4Ah 18V (that's "badge-engineered" to 20V in the USA) batteries in
> the SDS-drill I use for drilling sockets in granite.
> Seems to work very well.
> About battery size and finding that not the most massive battery seems
> necessary to get performance which seems absolutely fine.
>
"DeWalt both kind of bogged out instantly with the small batteries and
produced respectably with 4AH or bigger batteries."
> Have previously asked on r.c.m. when looking to set up this capability.
>
> Are DeWalt drill and battery.
> Is DCH263. Largest drill using "small tool" batteries (?).
>
> Drill is best no pilot drill to 12mm into hard granite including elvan
> (very hard fine-grained dykes where magma has infilled fissures in
> previously solidified granite). 14mm there might be an advantage in
> pilot-drilling - not less than 7mm because the drill over-powers
> anything smaller and melts the tool - but not more than 8mm - seem to
> want to pilot at half the final drill size.
> Talking about carbide-tipped masonry drills.
>
> 4Ah does quite a lot of holes.
> Working hard breaking rocks, get through 1~1/2 4Ah batteries in 3~1/2
> hours. That's both drilling sockets and using the feathers-and-wedge
> sets to break-up boulders.
>
> Locally the price for 18V DeWalt Li-ion batteries is GBP13 per Ah.
> Had 4's but no 5's, so as price is pro-rata here, got another 4Ah.
>
> Coming back to your point - the batteries seem just fine, and I let you
> be the judge of that by describing the work they do.
>
"DeWalt both kind of bogged out instantly with the small batteries and
produced respectably with 4AH or bigger batteries."
Drilling is generally less torque requirement than slicing steel with an
angle grinder, or cutting trees with a chainsaw. Even the smallest
cheap batteries have been okay for drilling. Just not for very long.
> regards,
> Rich S
>
--
Bob La Londe
CNC Molds N Stuff
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