this post was submitted on 03 Jan 2024
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Do any of these have a plug in adapter? Like a battery pack with a cord coming out of it?
Good Lord that should be a thing.
Some of the bigger tools, like vacuums or table saw do. Unfortunately the little tools are too cluttered with miscellaneous Bluetooth circuits to fit both AC and DC motors or more reasonably AC to DC converters.
But couldn't you just have the AC to DC converter between the cord and the tool?
I think the main issue for the companies is that power adapters have a nearly unlimited lifespan in comparison to lithium batteries, so it would be less profitable for them to sell you a direct attached power adapter than a bunch of batteries and a charger where you have to keep crawling back to them when the batteries inevitably give out in three years.
It would be trivial to design a blank battery attachment with a DC jack, and just have it hooked up to what is essentially a beefed up laptop charger. There are plenty of applications where a corded tool is perfectly adequate and even superior to cordless tools, so the fact that none of the manufacturers have it as an option hints that it was a business decision as opposed to merely an oversight.
Imagine having a power brick for your battery drill. Truly the worst of both worlds.
I imagine the same as every single laptop in existence. A big brick that sits on the floor and a very long cord.
Why couldn't that work?
Other tools are way more power hungry than a drill. Someone gave me a m12 Vacuum as a gift and it can't run for more than 15 minutes on battery which makes it extremely limited. Inside a customer's home that is all I need but at home it'd be great to run it as a dust collection for a table saw.
Given how dirt cheap shop vacs are, why not just buy a mains powered one?
I’ve only ever seen the opposite…power inverters that run off the batteries…
And they're typically 100-150 wattage. You're not going a whole lot with them.
Just buy a mains powered tool, they're usually cheaper anyway.
I need battery powered tools most the time.
You mean a battery that you can plug a cord into? I have some I got from Ryobi.
Milwaukee has two: a small one and a big one.
Edit: I read this wrong, but I’ll leave it up because I think the inverters are cool.
Yes, Festool do one for their sanders. A battery tool is usually more expensive and less powerful than a mains powered tool though, so I'm not sure what the advantage of this would be.
The advantage is when you finally work in your own workshop, instead of on-site, you no longer have to rebuy everything.
I wonder how easy it is to DIY something like that. Like would it be as easy as picking up an off the shelf power supply with the right voltage and current and 3D printing an attachment that fits into the battery slot with a DC jack on the side (or even just gutting a dead battery pack and taking out the batteries and control electronics, soldering a DC jack straight onto the main contacts, and drilling a hole for it to poke through)? Or do modern power tools actually need to authenticate the battery with some kind of tool DRM?
idk about modern tools but this totally works with an ancient Bosch drill I had, well at least the motor with speed controller from it