Dong Cheng DCPB488DM 1/2-Inch Brushless Impact Wrench, 682 Nm Loosening Torque

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Product guide

Dong Cheng DCPB488DM 1/2-Inch Brushless Impact Wrench, 682 Nm Loosening Torque

The Dong Cheng DCPB488DM is a cordless 1/2-inch brushless impact wrench listed with 682 Nm maximum loosening torque. Its claimed three-speed control, reverse auto-stop and included battery and accessories make it aimed at wheel and workshop jobs, though torque figures and kit contents are listing claims rather than independently verified results.

At a glance

Listing claims 682 Nm breakaway torque and 488 N.m tightening force, with 1/2-inch drive.
Three adjustable speeds and a variable-speed trigger are specified, with up to 2400 RPM.
Reverse auto-stop is described as halting rotation 0.5 seconds after a nut loosens.
The listing describes a built-in LED light for dim work areas.

Price

£51.19Save 20%

Reference price: ~~£63.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

A listed 4.0Ah battery and charger offer a cordless setup without requiring an air compressor.
The five listed impact sockets cover 17, 19, 21, 22 and 24 mm, useful for several common automotive fasteners.
Three speeds, a variable-speed trigger and reverse auto-stop provide more control than a single fixed-speed setting.

Cons

At 2 Kilograms listed, the tool may feel weighty during extended or overhead work.

Technical specifications

14 specifications

Identity
Brand	Dong Cheng
Model	DCPB488DM

Performance and operation
Maximum loosening torque	682Nm
Tightening force	488 N.m
Speed control	3 adjustable speeds
Maximum speed	up to 2400 RPM
Reverse auto-stop	halts rotation in 0.5s once the nut is loose

Power
Voltage	20 Volts (DC)
Battery capacity	4.0Ah

Dimensions and installation
Drive size	1/2 inch
Weight listed	2 Kilograms

Materials and protection
Material listed	High Carbon Steel
Motor	brushless motor
Work light	built-in bright LED work light

What to know before buying

Torque, speed, auto-stop timing and other performance details are manufacturer listing claims, not verified measurements. Use an appropriate torque wrench for final tightening where specified by the vehicle or fastener manufacturer.

What’s in the box

Included

1 impact wrench
1 4.0AH battery
Power adapter
5 impact sockets
2 cylindrical pins
2 O-rings
1 belt hook
1 storage box

Who is it for?

A good fit for

Car owners and DIY users seeking a cordless wrench for wheel-nut removal and general automotive maintenance.
Workshop users who want a 1/2-inch drive and listed sockets for several common metric fastener sizes.

Less suited to

Buyers who need independently verified torque figures or confirmed runtime data.
Users needing a documented low tool weight for prolonged overhead work.

Dong Cheng DCPB488DM 1/2-Inch Brushless Impact Wrench, 682 Nm Loosening Torque · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 125 ratings

5 stars79%79%
4 stars7%7%
3 stars5%5%
2 stars4%4%
1 star5%5%

Customer feedback highlights perceived power, ease of use, build quality and wheel-nut removal, with some reporting success on difficult fasteners. Those accounts align with the wrench's stated automotive purpose but do not verify its claimed torque figures or establish results for every vehicle. The aggregate ratings are mostly positive, though a smaller share are lower-rated, so experiences are not uniformly favourable.

Positive themes

Customers describe it as powerful and easy to use, particularly for removing car wheel nuts.
Feedback mentions perceived performance, build quality and durability.

Frequently asked questions

What torque figures does the listing give?

It states 682Nm maximum loosening torque and 488 N.m tightening force. These are listing claims, not independently verified measurements.

What is listed in the kit?

The stated contents are the wrench, one 4.0AH battery, charger, five impact sockets, two cylindrical pins, two O-rings, belt hook and storage box. Check the selected listing for the package supplied.

Can it be used to tighten wheel nuts?

The listing describes automotive use and gives a tightening-force figure, but it does not establish a suitable final torque for any specific vehicle. Follow the vehicle maker's torque specification and use a torque wrench for final tightening.

Does it have speed control?

Yes. The listing specifies three adjustable speeds, a variable-speed trigger and up to 2400 RPM.