The DeWalt DC390 is a 18V cordless circular saw (and is the tool only). The saw uses 6-1/2 inch carbide tipped blade for 2x cutting capacity at 90 and 45 degrees. It has high strength magnesium shoe and upper guard provides increased durability. 0-50 degree bevel capacity provides additional capacity for a multitude of applications.
The DeWalt DC390 is a 18V cordless circular saw (and is the tool only). The saw uses 6-1/2 inch carbide tipped blade for 2x cutting capacity at 90 and 45 degrees. It has high strength magnesium shoe and upper guard provides increased durability. 0-50 degree bevel capacity provides additional capacity for a multitude of applications. It features fan-cooled motor with replaceable brushes for maximum power and durability.
Whether building wood decks or dormers, bookcases or kitchen cabinets, the professional-duty DEWALT DC390B 18-volt, 6-1/2-inch cordless circular saw delivers cordless convenience without sacrificing power or performance. An 18-volt battery (not included) drives the saw’s 6-1/2-inch, thin-kerf blade at 3,700 RPM, an optimum speed for crosscutting and ripping construction lumber, softwood, hardwood, plywood, particleboard, oriented-strand board, and virtually any other sheet.
3,700 RPM for fast rip cuts and cross cuts
(view larger). 
DC390B 18-Volt 6-1/2-Inch Cordless Circular Saw
At a Glance: 3,700 RPM for fast rip cuts and cross cuts
Includes carbide-tipped blade
Bare tool–doesn’t include battery or charger
Three-year limited warranty; one-year free service 
With depth-of-cut capacities of 2-1/4-inch at 90-degrees and 1-5/8-inch at 45-degree (bevel), the DC390B can slice through all 2-by dimensional lumber. The 6-1/2-inch carbide tipped blade gives you 2x cutting capacity at 90 and 45 degrees, and the 0-50-dgree bevel capacity provides additional capacity for a multitude of applications.
A high strength magnesium shoe and upper guard provides increased durability, while a fan-cooled motor with replaceable brushes provides maximum power and durability. It’s complemented by a vibration-dampening rubber-grip handle for comfortable handling on big jobs. This circular saw weighs 6.3 pounds.
This DEWALT cordless tool does not come with a battery or charger. It’s compatible with the DC9096 18-volt XRP battery pack and DW9117 15-minute charger.
This DEWALT tool is backed by three-year limited warranty covering any defects due to faulty materials or workmanship (from the date of purchase). It’s also covered by DEWALT’s one-year free service contract, where DEWALT will maintain the tool and replace worn parts caused by normal use–for free.
One DEWALT DC390B 18-volt 6-1/2-inch cordless circular saw, one carbide tipped blade, one blade wrench, and operating instructions (batteries and charger sold separately).
0-50 degree bevel capacity provides additional capacity for a multitude of applications (view larger).
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This is one almighty little saw !!! 0
3 years and counting…. 0
An Average Circular Saw, Satisfactory For Home Owner Use At the current time, cordless saws have noticeably less power than corded tools. The DeWalt DC390 is no exception to this. It will certainly cut 2″ thick fir and pine lumber, but you won’t get the same rate of production as with a corded saw.This saw has a thick base plate, which I like. Thinner stamped metal base plates on circular saws often get bent after several years of use and the saws never work well after this happens.A routine use of the DeWalt DC390 will be to cut thin stock such as plywood. It’s handy to have a cordless tool for this purpose since you often have to extend your reach to make cuts. However, this saw is poorly balanced for such work. With the cut depth set shallow, the battery is raised high and the saw is top heavy. If you put the saw down as you would a normal circular saw, it will tip over. The lower half of the saw guard is made of a slightly flexible plastic. Given this saw is likely to tip off worktables frequently, I…