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Cordless circular saws are lightweight and versatile

When you buy a cordless circular saw, you have two choices. You can buy a "kit," which includes the saw complete with one or more batteries, a charger, and a case, or you can buy the "bare tool," which is the saw and nothing but the saw. Buying the kit is usually cheaper than purchasing the batteries and charger separately, but not always; it depends on which particular battery you want to go with your saw and how good a deal you're able to find on it. To add to the confusion, some cordless circular saws are sold only as bare tools, with no kit available.

Best cordless circular saw

Milwaukee M18 2630-20
Milwaukee M18 2630-20

For the sake of consistency, we've listed all the prices in this section as bare-tool prices and provided the battery and charger prices separately. But if you intend to buy both, check kit prices first to see if you can get a better deal that way.

We found two cordless circular saws that get excellent reviews from both professional testers and users. The 7.25-inch, 18-volt Milwaukee M18 2630-20 (Est. $110) is the top pick in three professional comparison tests, chewing through wood faster than any other cordless saw. At just over 9 pounds, it's heavier than most cordless circular saws, though still lighter than most corded models. However, reviewers say it also comes closest to a corded saw in terms of performance, and it runs longer on a charge than most saws of its size Both professionals and home users appreciate its large, stable aluminum base and ergonomic design, with generous control levers and overmolded handles. They also appreciate the clear, precise 50-degree bevel scale, with engraved marks for every degree, and the battery fuel gauge that shows how much charge you have left. Aside from the weight, this saw's only real drawback is that it doesn't control sawdust spillage very well.

If you're not buying the kit, it's important to make sure you get the right battery to go with this saw. Several users at Amazon.com were miffed to discover, after receiving the tool, that the M18 2630-20 can't take the standard battery that goes with other tools in the M18 line. Instead, it requires M18 Compact REDLITHIUM batteries, which are available in several capacities. When you buy the kit, it comes with the 3-Ah M18 REDLITHIUM XC Extended Capacity Battery (Est. $60), model 48-11-1828, but you can upgrade to a 4-Ah or 5-Ah battery for more runtime. You can charge all these batteries with the M18 and M12 Multi-Voltage Charger (Est. $30), model 48-15-1812.

The other standout in tests of cordless circular saws is the DeWalt DCS391B (Est. $120). This 18-volt, 6.5-inch circular saw is rated the best value in tests at Fine Homebuilding. It weighs just 8.3 pounds, and tester Doug Mahoney says its "perfect balance" makes it feel even lighter. He also praises its "ample power and sports-car handling." In another test at the Journal of Light Construction, this DeWalt saw comes in a close second to the Milwaukee in terms of both power and runtime. Reviewers say the cut-line markers, 50-degree bevel setting, stability, and blade visibility are all very good, but the guard action is only so-so. They like the battery fuel gauge included on the saw, but Mahoney notes that its location requires you to flip the tool over to read it. Although the DeWalt is clearly an excellent saw, we've given our Best Reviewed pick to the Milwaukee, which trumps it in power and runtime.

Like the Milwaukee, the DeWalt DCS391B has several battery options. Users at Amazon.com and HomeDepot.com say it tends to run down smaller-capacity batteries very quickly, so they recommend either the 4-Ah DeWalt DCB204 (Est. $150 for two) or the 5-Ah DeWalt DCB205 (Est. $160 for two). For either one, you'll need the DeWalt DCB101 battery charger (Est. $70). Alternatively, you can buy this saw as a kit with a single 5-Ah battery as the DeWalt DSC391P1 (Est. $260).

A couple of other cordless circular saws get good, but not outstanding reviews. Reviewers describe the Bosch CCS180 (Est. $120) as very well balanced, with excellent runtime and excellent guard action. However, it's not as powerful as some other saws, and its motor-to-base stability is only fair. It's very lightweight, at just 6.6 pounds without the battery, but still rather bulky for a 6.5-inch saw. Also, this saw is sold only as a bare tool, and Bosch provides absolutely no information on its website about which battery to use with it. The best guidance we found was on Amazon.com, which recommends the Bosch SKC181-01 18-Volt Lithium Ion Starter Kit (Est. $99), with one 4-Ah battery and a charger, to go with this saw.

The Makita BSS610 (Est. $165) does very well in the power test at Popular Mechanics, and the editors call it the best-handling saw of the lot. This compact 6.5-inch saw weighs just 7.6 pounds, battery and all, and reviewers say it's very easy to adjust. The Journal of Light Construction also gives the guard action top marks. However, it comes up a bit short on battery life, and its cut-line markers and blade visibility are only so-so. This saw requires a 3-Ah Makita BL1830 battery (Est. $170 for 2) and a Makita DC18RC Lithium-Ion Rapid Optimum Charger (Est. $50).

Elsewhere in this Report:

Best Circular Saws | Best Worm Drive Saws | Buying Guide | Our Sources

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Bare-Tool Milwaukee 2630-20 Bare-Tool 18-Volt 6-1/2-Inch Circular Saw (Tool Only, No Battery)
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from Amazon.com
New: $105.00
In Stock.
Average Customer Review:  
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Milwaukee 48-11-1828 M18 XC RED LITHIUM 18-Volt Lithium-ion Cordless Tool Battery
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from Amazon.com
New: $54.95
Average Customer Review:  
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Milwaukee 48-59-1812 M12/M18 Multi Voltage Charger
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from Amazon.com
New: $25.99
In Stock.
Average Customer Review:  
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DEWALT DCS391B 20-Volt MAX Li-Ion Circular Saw, Tool Only
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from Amazon.com
New: $109.00
In Stock.
Average Customer Review:  
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DEWALT DCB204-2 20V Max Premium XR Li-Ion Battery, 2-Pack
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from Amazon.com
New: $122.04
In Stock.
Average Customer Review:  
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DEWALT DCB205-2 20V MAX XR 5.0Ah Lithium Ion Battery, 2-Pack
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from Amazon.com
In Stock.
Average Customer Review:  
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DEWALT DCB101 12-Volt MAX and 20-Volt MAX Li-Ion Battery Charger
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from Amazon.com
New: $79.00 $68.95   
Average Customer Review:  
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DEWALT DCS391P1 20V MAX Lithium Ion Circular Saw Kit
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from Amazon.com
In Stock.
Average Customer Review:  
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Bosch Bare-Tool CCS180B 18-Volt Lithium-Ion 6-1/2-Inch Lithium-Ion Circular Saw
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from Amazon.com
New: $116.00
In Stock.
Average Customer Review:  
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Bosch SKC181-02 18-Volt Lithium-Ion Starter Kit with (2) 2.0 Ah Batteries and Charger
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from Amazon.com
New: $99.00 $72.99   
In Stock.
Average Customer Review:  
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Makita BL1830-2 18-Volt 3.0 AH Battery, 2-Pack
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from Amazon.com
In Stock.
Average Customer Review:  
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Makita DC18RC 18V Lithium-Ion Rapid Optimum Charger
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from Amazon.com
In Stock.
Average Customer Review:  

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