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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Description

⚡ Cut Fast, Cut Smart — Own the Jobsite Edge!

CUT AT ANY ANGLE - 0-50° bevel capability lets you tackle aggressive bevel cuts with ease.
COMFORT MEETS CONTROL - Ergonomic rubber overmolded grip ensures optimal balance and fatigue-free handling.
POWER THROUGH ANY CUT - 5150 RPM motor delivers unmatched speed and precision for demanding jobs.
LIGHTWEIGHT DURABILITY - Magnesium shoe combines strength and featherlight design for long-lasting accuracy.
EFFICIENT BLADE PERFORMANCE - 6-1/2-inch carbide-tipped blade cuts twice the material per charge, maximizing productivity.

The DEWALT 20V MAX Circular Saw (DCS391B) features a powerful 5150 RPM motor and a versatile 0-50° bevel capacity, housed in a lightweight magnesium frame for durability and precision. Designed for professional-grade wood cutting, it includes a 6-1/2-inch carbide-tipped blade for efficient, long-lasting performance. Battery not included, allowing you to customize your power setup.

Specifications

Brand	DEWALT
Color	Yellow
Blade Material	High Speed Steel
Surface Recommendation	Wood
Power Source	Battery Powered
Special Feature	Keyless Blade Change
Included Components	20v 6-1/2" circular saw
Product Dimensions	15.5"L x 8.5"W x 10.5"H
Voltage	20 Volts
Warranty Type	Full Manufacturer's Warranty
Item Weight	3.16 Kilograms
Speed	5100 RPM
Blade Length	6.5 Inches
Number of Teeth	24
Number of Batteries	1 Lithium Ion batteries required.
Cutting Angle	50 Degrees
Specification Met	(unset)
Blade Shape	Round
Global Trade Identification Number	00885911262354
UPC	885911262354
Manufacturer	DEWALT
Part Number	DCS391B
Item Weight	6.95 pounds
Item model number	DCS391B
Batteries	1 Lithium Ion batteries required.
Is Discontinued By Manufacturer	No
Size	6-1/2 inches
Style	Circular Saw Only
Finish	Brushed
Material	Blend
Pattern	Saw
Shape	Rectangular
Item Package Quantity	1
Number Of Pieces	1
Head Style	Flat
Number of Handles	2
Blade Edge	Sharp
Measurement System	Metric
Accessory Connection Type	5/8" Arbor
Special Features	Keyless Blade Change
Batteries Included?	No
Batteries Required?	Yes
Warranty Description	3 Year Limited Warranty

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