DEWALT FLEXVOLT 60V MAX 7-1/4" Cordless Worm Drive Saw + TWO 6Ah FLEXVOLT batteries DCS577B, DCB606-2 $299

big mike

Nov 12, 2024

7,201 Posts

Joined Dec 2006

Nov 12, 2024

7,201 Posts

FWIW the power increase isn't all that significant until you get to the 15AH, the 6ah uses 15x 18650 20S cells rated at 30 amps, the 9 and 12 use 30t and 40t 21700s rated at 35 amps, so only about 15% more power. The 15ah uses 30 18650 cells with a 25 amp rating, so equivalent to 50ish since you're paralleling the extra set (you probably won't get exactly 2x due to tool/wiring/etc limitations). I haven't noticed a significant difference using the 6 and 9s I have which jives with that. I think the 6ah is probably a good size with the circular, I don't have the worm style but I have the other flex volt saw and it runs through most wood easily, only time I ever had it stop was poorly supported sheet goods that bowed in and bound up the blade which will stop about any saw. The 20v batteries have a much bigger output spread due to the smallest batteries using only 5 cells and most bigger ones using 10 instead of having to use 15 (or 30) for the 60v functionality.

3

Tremodels

Nov 12, 2024

189 Posts

Joined Oct 2019

Nov 12, 2024

Tremodels

Nov 12, 2024

189 Posts

I'm holding out for a deal on the flexvolt advantage or power detect. The increased power from using large batteries is nice, but it's also nice to be able to use a lightweight lower AH battery when you have to cut at a weird angle or are just ripping 1/2" ply. The 12AH+ batteries you need to make this thing actually more powerful weight a ton.

1

rJak

Nov 13, 2024

128 Posts

Joined Aug 2013

Nov 13, 2024

rJak

Nov 13, 2024

128 Posts

Quote from Tremodels

:

I'm holding out for a deal on the flexvolt advantage or power detect. The increased power from using large batteries is nice, but it's also nice to be able to use a lightweight lower AH battery when you have to cut at a weird angle or are just ripping 1/2" ply. The 12AH+ batteries you need to make this thing actually more powerful weight a ton.

I only have the 6ah batteries and this things chews through anything. Like big Mike said, only if you pinch the blade does it bog down.

1

Tremodels

Nov 13, 2024

189 Posts

Joined Oct 2019

Nov 13, 2024

Tremodels

Nov 13, 2024

189 Posts

Quote from rJak

:

I only have the 6ah batteries and this things chews through anything. Like big Mike said, only if you pinch the blade does it bog down.

I think you are missing my point. This saw can't use the compact 3AH 20v batteries, the 6AH 20v (really 2AH @ 60v) is the smallest battery it takes. That battery weighs 4x what a compact 3AH does and is alot bulkier. And I find lots of applications where I don't need the power but the reduced weight makes things managable. For example, cutting rafter tails in place. Rather have a 3AH 20v with an extra in my belt that hold this saw with 5 more pounds on it above my head for 20 cuts.

big mike

Nov 13, 2024

7,201 Posts

Joined Dec 2006

Nov 13, 2024

big mike

Nov 13, 2024

7,201 Posts

Quote from Tremodels

:

I think you are missing my point. This saw can't use the compact 3AH 20v batteries, the 6AH 20v (really 2AH @ 60v) is the smallest battery it takes. That battery weighs 4x what a compact 3AH does and is alot bulkier. And I find lots of applications where I don't need the power but the reduced weight makes things managable. For example, cutting rafter tails in place. Rather have a 3AH 20v with an extra in my belt that hold this saw with 5 more pounds on it above my head for 20 cuts.

Bulkier, volume and height yes, but the slims are wider/longer. Also it only weights about 2x what a 3ah slim does (at most it would be 3x since it has 3x the cells, but they're smaller cells and there's a certain amount of weight you have no matter what for BMS, connectors, body etc). At that point unless you're going to use a power stack you'd probably be better off buying a cheap smaller blade saw for that job and something like this for heavy lifting. The "slim" batteries power density is better than the 1.5-2ah single stack kit batteries, but it's well below any of the double stack 20v and way behind the triple stack 60v.

rJak

Nov 13, 2024

128 Posts

Joined Aug 2013

Nov 13, 2024

rJak

Nov 13, 2024

128 Posts

Quote from Tremodels

:

I think you are missing my point. This saw can't use the compact 3AH 20v batteries, the 6AH 20v (really 2AH @ 60v) is the smallest battery it takes. That battery weighs 4x what a compact 3AH does and is alot bulkier. And I find lots of applications where I don't need the power but the reduced weight makes things managable. For example, cutting rafter tails in place. Rather have a 3AH 20v with an extra in my belt that hold this saw with 5 more pounds on it above my head for 20 cuts.

I think I missed your point because it seemed you were talking about power.

"The 12AH+ batteries you need to make this thing actually more powerful weight a ton."

If you're looking for lighter and smaller 20v is definitely gonna win.

WittyWealth6078

Nov 24, 2024

1 Posts

Joined Nov 2024

Nov 24, 2024

WittyWealth6078

Nov 24, 2024

1 Posts

I have this saw and it cuts through 1 1/2" butcher block better then my corded, but man it's heavy.

DEWALT FLEXVOLT 60V MAX 7-1/4" Cordless Worm Drive Saw + TWO 6Ah FLEXVOLT batteries DCS577B, DCB606-2 $299

$299

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