Author: Maurice Savaryego, M.Sc.Eng. (Learn More)
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This article will compare the DeWalt DCD771C2 drill which uses NiCad batteries with the Black&Decker LDX 120C which uses Lithium-Ion batteries. At the time this article was written, these two drills were respectively #1 and #2 in the cordless drill category of Amazon's best seller list, and had both received an average of 4.5 stars (out of 5) from Amazon customer reviews. Both drills can be used for drilling and screw-driving through wood, metal, and plastic,
The two drills are shown below:
The two drills are shown below:
If you are in a hurry, and you'd rather see right away price information for the selected cordless drills, please click below:
Selected DeWalt and Black&Decker Cordless Drills on Amazon.
Otherwise, please continue reading below for a detailed comparison of the DeWalt DCD771C2 and Black&Decker DX120C cordless drills.
Comparing the DeWalt DCD771C2 and Black&Decker DX120C Cordless Drills
Table Notes 1-7 Explained:
Note 1: DeWalt DCD771C2 requires two 20-volt Lithium-Ion batteries which are included in the purchase. Black&Decker LDX120C requires one 20V battery which is also included. Note that both products also come with the battery chargers.
Note 2: The DeWalt DCD771C2 drill has dual speed range (two setting): 0 to 500 rpm and 0 -1500 rpm (rpm = revolutions per minute). The Black&Decker LDX120C has a single range: 0 to 650 rpm.
Note 3: The LED work light illuminates the surface for easier drilling in dark places.
Note 4: The chuck holds the bit and provides for precision and accuracy.
Note 5: On a power drill, the clutch setting controls the amount of torque that the motor will transmit to the drill chuck.
Note 6: DeWalt also gives a 90 day money back guarantee.
Note 7: The prices shown were in effect when this article was written and may have changed. Note also that Amazon prices include usually a good discount on the List Price. Please refer to the Amazon section below to check exact prices.
Note 1: DeWalt DCD771C2 requires two 20-volt Lithium-Ion batteries which are included in the purchase. Black&Decker LDX120C requires one 20V battery which is also included. Note that both products also come with the battery chargers.
Note 2: The DeWalt DCD771C2 drill has dual speed range (two setting): 0 to 500 rpm and 0 -1500 rpm (rpm = revolutions per minute). The Black&Decker LDX120C has a single range: 0 to 650 rpm.
Note 3: The LED work light illuminates the surface for easier drilling in dark places.
Note 4: The chuck holds the bit and provides for precision and accuracy.
Note 5: On a power drill, the clutch setting controls the amount of torque that the motor will transmit to the drill chuck.
Note 6: DeWalt also gives a 90 day money back guarantee.
Note 7: The prices shown were in effect when this article was written and may have changed. Note also that Amazon prices include usually a good discount on the List Price. Please refer to the Amazon section below to check exact prices.
So, which of the two drills is best to buy?
(Photo credits: Black&Decker)
Both drills are excellent products that will respond quite well to all domestic drilling needs. But the two products have a number of important differences, and one needs to consider them before deciding which to buy:
Power: The DeWalt DCD771C2 drill is clearly more powerful since it can reach speeds up to 1500 rpm while the maximum power it can deliver is 300 UWO. The maximum speed the Black&Decker LDX120C drill can reach is only 650rpm, and the maximum torque it can deliver is 115 in-lb which corresponds to a power level less than 300 UWO.
Batteries: Lithium-Ion batteries are better than NiCad batteries which are susceptible to suffer from what is called the "memory effect" whereby the batteries gradually lose their maximum energy capacity if they are repeatedly recharged after being only partially discharged (the batteries appear to "remember" the smaller capacity). Both of these drills are equipped with Litium-Ion batteries which is great.
LED Work Light: For those who need to work in darker conditions, a built-in LED light that illuminates the drilling area can be very useful.
Clutch Settings: The clutch setting controls the amount of torque that the motor will transmit to the drill chuck. The DeWalt drill give you more settings than the Black&Decker (16 settings vs. 11).
Warranty: The Dewalt warranty is much better than Black&Decker's: 3-Year vs. 2-Year. In addition, DeWalt has a 90-day money back guarantee. All this simply means that DeWalt has high confidence in the quality of their products.
Given all the above points, our first choice is the DCD771C2. Note also that the DeWalt comes with a contractor's bag.
But if its higher price is an issue for you, at almost half the cost and with all the features it comes with, the Black&Decker LDX120C can also be safely considered.
Power: The DeWalt DCD771C2 drill is clearly more powerful since it can reach speeds up to 1500 rpm while the maximum power it can deliver is 300 UWO. The maximum speed the Black&Decker LDX120C drill can reach is only 650rpm, and the maximum torque it can deliver is 115 in-lb which corresponds to a power level less than 300 UWO.
Batteries: Lithium-Ion batteries are better than NiCad batteries which are susceptible to suffer from what is called the "memory effect" whereby the batteries gradually lose their maximum energy capacity if they are repeatedly recharged after being only partially discharged (the batteries appear to "remember" the smaller capacity). Both of these drills are equipped with Litium-Ion batteries which is great.
LED Work Light: For those who need to work in darker conditions, a built-in LED light that illuminates the drilling area can be very useful.
Clutch Settings: The clutch setting controls the amount of torque that the motor will transmit to the drill chuck. The DeWalt drill give you more settings than the Black&Decker (16 settings vs. 11).
Warranty: The Dewalt warranty is much better than Black&Decker's: 3-Year vs. 2-Year. In addition, DeWalt has a 90-day money back guarantee. All this simply means that DeWalt has high confidence in the quality of their products.
Given all the above points, our first choice is the DCD771C2. Note also that the DeWalt comes with a contractor's bag.
But if its higher price is an issue for you, at almost half the cost and with all the features it comes with, the Black&Decker LDX120C can also be safely considered.
Selected DeWalt and Black&Decker Drills on Amazon
Please click the Amazon US link image below for the drill of your choice to see exact price information or to purchase.
Please Note: For non-US customers, when you click the links below, you will be provided with the Amazon links for your country (such as Canada or UK), if the product is available in your country.
Please Note: For non-US customers, when you click the links below, you will be provided with the Amazon links for your country (such as Canada or UK), if the product is available in your country.
DeWalt DCD771 Cordless Drill |
DeWalt DCD771 Cordless Drill
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Black&Decker LDX120C Cordless Drill
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