Our choice
Compare DCD791D2
Our choice
Compare DS18DGL

General

Model

DCD791D2
DS18DGL
LI2000

Manufacturer

DEWALT
Hitachi
BLACK+DECKER

Amazon rating

4.8
4.4
4.2

Customer reviews on Amazon

218
223
1389

Product Features

Chuck Size

1/2 inches
1/2 inches
3/4 inches

Chuck Type

Brushless
Keyless
Keyless

System

20V Max
18V Max
3.6V Max

Style

Drill/driver
Drill/driver
Screwdriver

Cutting

Minimum Cut

1 inches

Maximum Cut

1 inches
2 inches
8 inches

Max Capacity in Metal

13 inches
1/2 inches

Max Capacity in Wood

40 inches
1/2 inches

Max Capacity in Masonry

13 inches
5/8 inches

Power

Power Source

Battery-Powered
Battery
Battery-Powered

Batteries Included

Batteries Required

Battery Cell Type

Lithium Ion
Lithium Ion
Lithium Ion

Voltage

20V
18V
3.6V

Wattage

460W
1W
710W

Average Battery Life

1.5 hours
1.5 hours
2 hours

Spesifications

No Load Speed

2000 RPM
2600 RPM
180 RPM

Max Torque

240 inches
400 inches
1375 inches

Torque Settings

15
22

Number of Handles

1
1
1

BPM

250
3200
1650

Noise Sound

Noise Sound pressure

90 dB
94 dB

Noise Sound power

101 dB

Vibration

Drilling

2.5 m/s?
2.5 m/sec? 
2.5 m/s?

K factor

1.5 m/sec?
1.5 m/sec?

Hammer Drilling

11.5 m/s?

Special Features

Lightweight

LED Worklight

Always Ready

Dimensions

Size

16.2 x 4.5 x 10.1 inches
8.5 x 3.1 x 8.9 inches
7.7 x 2.9 x 9.5 inches

Weight

3.5 pounds
3.7 pounds
1.2 pounds