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Old 12-01-2019, 10:44 AM   #16
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Re: Circular saw, corded or cordless?


My issue with LI Ion batteries id they give no warning that they are close to dead. They start slowing down but usually let you finish what you are doing. With LiIon, i crawl up in the attic to install 2 screws and after the first one, the drill dies.
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Old 12-01-2019, 11:02 AM   #17
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Re: Circular saw, corded or cordless?


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My issue with LI Ion batteries id they give no warning that they are close to dead. They start slowing down but usually let you finish what you are doing. With LiIon, i crawl up in the attic to install 2 screws and after the first one, the drill dies.
I know what you mean on that. I have a string trimmer that uses Li battery and when it is used up, BAM nothing and no warning. But I know now how far I can get before it kicks off. I'm too tight to buy a second battery for it. So I trim the front one day and the rear the second day.
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Old 12-01-2019, 12:00 PM   #18
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Re: Circular saw, corded or cordless?


My batteries all have charge indicators on them, very easy to push the button and verify how much charge they have left.

They just stop suddenly because the internal circuitry cuts off the power to prevent you from running them down too far. You also have to make sure that you don't leave batteries stored and unused in a run down state. Lithium batteries become unstable if the voltage gets too low, and they will short internally if a charge is forced on them. If the voltage gets too low the charger will refuse to charge them because it's programmed to know that they can short internally and become dangerous.

I've used them long enough now that I can actually tell when the battery starts getting low, the performance drops off just slightly usually a few cuts or a few screws before the tool cuts out.

I have nine or ten of the 60v and over twenty of the 20v batteries, I've never killed one yet. I'm still using the 3.0ah batteries that came with my first 20v drill in 2011 and they're going strong. The benefits FAR outweigh any minor inconveniences they might have. They discharge very slowly over time, you could probably leave one set for over a year and it would barely be off the full mark. Much, much slower than the nicads discharge. Every time I picked up my nicad tools the battery was half to mostly dead. When I'm done I always make sure to charge any batteries I've used before I put them away. Lithium batteries don't have the "memory" effect like older batteries did, so they can be charged any time you want and it won't hurt the battery.

The performance and weight reduction is worth it alone. Throw in the additional run time, power and increased RPM that brushless motors bring to the table and you've got an amazing combination.

Because I already had the batteries, I bought a Dewalt 60v string trimmer this fall and I may never own another gas powered one. Light and extremely powerful! I have two 120x130 corner lots and an additional lot right next to one of the corner lots. All three of the properties have houses and garages on them. I can trim all three of the properties and the battery still shows two of the three bars, it is absolutely amazing.

Last edited by iamrfixit; 12-01-2019 at 12:28 PM.
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Old 12-01-2019, 06:11 PM   #19
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Re: Circular saw, corded or cordless?


Except for the 1.3 ah batteries, all my Dewalt lithium-ion batteries have a charge indicator. I use the 1.3 ah most of the time in my drill and 1/4 inch impact driver, and save the bigger batteries for high amp tools. I use the 6 ah battery with the circular saw and have never had it quit on me in the middle of using it.
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Old 12-02-2019, 11:59 PM   #20
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Re: Circular saw, corded or cordless?


Corded.

I'm a huge fan of the newer battery tools. Mostly on DeWalt 20V platform except for hedge trimmer and string trimmer on the 40V platform.

But... my general happiness with the cordless tools ends at the 20V circular saw I mistakenly got. Totally regret it. Maybe the 60v version is fine. I thought based on experience maybe it was good enough for what I wanted to do and I already had a bunch of the batteries. It's weak, and bogs down even in basic dry wood. Yeah, it can get through some 2x4s. But try going through a bit of plywood and it gets iffy pretty quickly. When it binds up, it's challenging to get going again into the cut and finish it well.

Again, maybe the 60V has what it takes. But until somehow I find reviews that convince me of that, I'm not chasing more $$$ and a whole new battery type after owning what is now mostly a paperweight to me now. Bugs me every time I see it since I really like all my other yellow/black stuff.
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Old 12-03-2019, 07:50 AM   #21
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Re: Circular saw, corded or cordless?


Forget the freakin volts.

How the saw cuts through thick material is determined by the power of the motor. There WILL be a specification for this on the saw spec sheet. Measured in Watts or HP (746 W = 1 HP). Compare.

How long you can run it is determined by the energy capacity of battery. Measured in Amp-hours (also other units possible, but you can convert). Compare.

Higher voltage may run a little more efficiently. And maybe they can use thinner wires and save some copper cost/weight. But mostly is just marketing hype.


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Old 12-03-2019, 10:44 AM   #22
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Re: Circular saw, corded or cordless?


Definitely cordless when it comes to circular saws. I have a skill worm drive, it has plenty of power. I even use it to cut firewood and smaller trees down in the yard. I love the blade on the left side so you can make precise cuts. Cordless drills are nice but not for hanging drywall.
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Old 12-03-2019, 11:05 AM   #23
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Re: Circular saw, corded or cordless?


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Corded.

I'm a huge fan of the newer battery tools. Mostly on DeWalt 20V platform except for hedge trimmer and string trimmer on the 40V platform.

But... my general happiness with the cordless tools ends at the 20V circular saw I mistakenly got. Totally regret it. Maybe the 60v version is fine. I thought based on experience maybe it was good enough for what I wanted to do and I already had a bunch of the batteries. It's weak, and bogs down even in basic dry wood. Yeah, it can get through some 2x4s. But try going through a bit of plywood and it gets iffy pretty quickly. When it binds up, it's challenging to get going again into the cut and finish it well.

Again, maybe the 60V has what it takes. But until somehow I find reviews that convince me of that, I'm not chasing more $$$ and a whole new battery type after owning what is now mostly a paperweight to me now. Bugs me every time I see it since I really like all my other yellow/black stuff.

Which saw do you have? I have the early version 6 1/2" blade without the brushless motor and it is exactly as you describe, ok for a few 2x4s but almost useless for cutting plywood.

The brushless 7 1/4" version does offer better performance, I don't own that one, but a friend has it and I've used it. I had bought the 60v before the brushless 20v was released.

The 60v definitely has what it takes, it performs as well as any corded saw. I haven't found a job it couldn't handle with ease.
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Old 12-03-2019, 11:31 AM   #24
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Re: Circular saw, corded or cordless?


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Cordless drills are nice but not for hanging drywall.

I always though that too, until I bought this screw gun. It works pretty impressive by itself and sets the screws at correct depth a lot more reliably than my old corded screw gun. If you add the collated magazine attachment it gets even better, you can drive screws very quick and easy.

I love this thing for hanging drywall, no more cord to tangle in the lift or wrap around my feet. A spare battery will charge up way before I run the first one down.
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Old 12-03-2019, 12:59 PM   #25
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Re: Circular saw, corded or cordless?


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I always though that too, until I bought this screw gun. It works pretty impressive by itself and sets the screws at correct depth a lot more reliably than my old corded screw gun. If you add the collated magazine attachment it gets even better, you can drive screws very quick and easy.

I love this thing for hanging drywall, no more cord to tangle in the lift or wrap around my feet. A spare battery will charge up way before I run the first one down.
I must say I still have my milwaukee screw gun that I bought new in the 80s. It still works great but I don't do much remodeling these days. I'm an old geezer now(lol)and am not surprised with many new and improved remodeling tools/equipment these days. Can't justify buying new when my old tools still get the job done. I don't mind corded power tools. Back in the day we thought nothing of it, now one can't imagine life without cordless tools. Just like one can't imagine life without a phone in your hand 24/7/365.
Heck my grandfathers generation cut a lot of wood with a hand saw.How many these days would rather commit suicide before doing such inhumane labor.
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Old 12-03-2019, 01:59 PM   #26
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Re: Circular saw, corded or cordless?


For something like a saw, I like to go with corded because once I pull the plug itís not turning on. Just a safety thing I consider since I am getting absent minded.

Cordless is definitely convenient though.

Just my 2c.


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Old 12-03-2019, 02:10 PM   #27
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Re: Circular saw, corded or cordless?


If you remember to pull the plug, you can remember to pull the battery.
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Old 12-03-2019, 02:24 PM   #28
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Re: Circular saw, corded or cordless?


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I must say I still have my milwaukee screw gun that I bought new in the 80s. It still works great but I don't do much remodeling these days. I'm an old geezer now(lol)and am not surprised with many new and improved remodeling tools/equipment these days. Can't justify buying new when my old tools still get the job done. I don't mind corded power tools. Back in the day we thought nothing of it, now one can't imagine life without cordless tools. Just like one can't imagine life without a phone in your hand 24/7/365.
Heck my grandfathers generation cut a lot of wood with a hand saw.How many these days would rather commit suicide before doing such inhumane labor.
I bought my dewalt corded screw gun probably 1993 or so, used it a lot but never did like it. The tip is very narrow and there's a very fine line between pushing too hard and breaking the drywall out around the screw or not hard enough and leaving the screw stand proud. I started using a cordless drill with an adapter bit to leave the screw flush. I hung a lot of drywall that way. This new cordless gun is so much nicer to use, the tip is wide and flat and gives more surface to hit the drywall. Way more forgiving on the amount of push you use. Also the speed seems a little different and more suited to driving screws.

Got my first professional cordless in the mid 80's, the old Makita 9.6 with the long handle and slide in battery, I was hooked. It was useless by today's standard but impressive to us all back then. Had Dewalts 12v, 14.4v, 18v, several different model drills and other tools but none compares well to these newest Lithium power, brushless tools. This technology has taken cordless to a new level. In most cases equal to corded and for some tools they're even better.
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Old 12-03-2019, 06:23 PM   #29
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Re: Circular saw, corded or cordless?


I have an M18 fuel 7.25" circular saw. removed a deck with it no issues with performance or battery runtime whatsoever. I wouldn't want to go back to corded.
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Old 12-03-2019, 07:00 PM   #30
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Re: Circular saw, corded or cordless?


Running a 4 man framing crew with cordless saws now. Dewalt 60v has made all the difference. I gave away my 20v saw after using the 60v the first week. I was skeptical, as I had been through all the cordless saws over the last 20 years.
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