Will the De Walt batteries 20V Max lithium ion 1.5 ah and charger i have for my drill set work with this

I bought a 20v Max Li-Ion 3.0 Ah battery for this and got about 32 cuts through some 1 x 6 wood planks before it lost charge. You could probably get away with 2 of these 3.0 Ah batteries if one is on the charger at all times.

I have this saw and need to cut a 6ft piece of Caesarstone. Is there a blade that would work with this saw to cut my stone?

It definately will do a good job. 5" mason blade. I wouldn't do it daily if it's your job but a bathroom or 2 is fine. I've done 5 bathroom jobs and work with wood daily. Use fhis little guy a lot from ripping siding to decking to studs. Still works great. I use a bigger corded worm drive for roofs and tearing into sub floor. Also 4 of the bathroom jobs were 1/2" rock and 1 was 1/4". I did probably 30 bathrooms with my 18v. It was a drag when the nicads would run down. Hope that helps.

How do you put the blade on?

The allen wrench is provided in the handle near the battery on the right hand side. Push in the blade lock button at the top of the blade guard to stop the motion. Loosen the bolt with the allen wrench until the clamp is removed. (The bolt is reverse threaded, so it is clockwise to loosen, counterclockwise to tighten, the opposite of most bolts.) Place the blade between the inner and outer washer guards. Pull back the blade guard to insert the blade into place. Use the allen wrench to tighten the bolt into place (using the blade lock button to stop the blade motion). Make sure the blade is securely in place before using.

Is the blade and cutting line visible from the top when I am cutting the wood.

Yes! ...as long as you're right handed. :)

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DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B)

DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B)

Product ID: 6447799

Details

Blade Material
High Speed
Brand
DEWALT
Color
Yellow
Power Source
Battery
Surface Recommendation
Wood

⚡5150 RPM motor power

🔋20V MAX cordless portability

🛠️0-50° bevel capacity

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Details

Blade Material
High Speed
Brand
DEWALT
Color
Yellow

Description

⚡ Cut fast, cut smart — own the jobsite with DEWALT power!

CUT AT ANY ANGLE - 0-50° bevel capacity lets you tackle aggressive bevel cuts with professional versatility.
COMFORT MEETS CONTROL - Ergonomic rubber over-molded grip offers optimal balance for smooth, confident handling.
POWER THROUGH ANY CUT - 5150 RPM motor delivers unmatched speed and precision for demanding woodworking projects.
LIGHTWEIGHT DURABILITY - Magnesium shoe ensures long-lasting jobsite toughness without weighing you down.
SEAMLESS BLADE CHANGES - Keyless blade change with spindle lock means less downtime and more productivity.

The DEWALT 20V MAX 6-1/2-Inch Cordless Circular Saw combines a powerful 5150 RPM motor with a lightweight magnesium shoe and a versatile 0-50° bevel capacity. Designed for professionals and serious DIYers, it delivers precision cuts on the go with ergonomic comfort and easy blade changes. Battery and charger sold separately.

Specifications

ASIN	B007NVSTO8
Best Sellers Rank	#3,201 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Power Circular Saws
Blade Length	6.5 Inches
Blade Material	High Speed Steel
Blade Shape	Round
Brand	DEWALT
Brand Name	DEWALT
Color	Yellow
Customer Reviews	4.6 out of 5 stars 10,938 Reviews
Cutting Angle	50 Degrees
Global Trade Identification Number	00885911262354
Included Components	20v 6-1/2" circular saw
Item Dimensions L x W x H	15.5"L x 8.5"W x 10.5"H
Item Type Name	20V MAX Li-Ion Circular Saw
Item Weight	3.16 Kilograms
Manufacturer	DEWALT
Manufacturer Part Number	DCS391B
Manufacturer Warranty Description	3 Year Limited Warranty
Model Number	DCS391B
Number of Batteries	1 Lithium Ion batteries required.
Number of Teeth	18
Other Special Features of the Product	Keyless Blade Change
Power Source	Battery Powered
Special Feature	Keyless Blade Change
Specification Met	(unset)
Speed	5100 RPM
Surface Recommendation	Wood
UPC	885911262354
Unit Count	1.0 Count
Voltage	20 Volts
Warranty Type	Full Manufacturer's Warranty

Reviews

E**Y

20.12.2014

S**E

26.01.2026

D**2

25.12.2014

A**R

10.04.2026

M**O

1.03.2025

G**N

17.03.2026

D**D

25.11.2014

S**R

22.03.2026

N**R

30.05.2024

R**A

26.03.2026

M**N

23.04.2021

N**R

10.03.2026

T**M

18.10.2021

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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