Dong Cheng DCMY02-185 20V 185mm Cordless Circular Saw

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Product guide

Dong Cheng DCMY02-185 20V 185mm Cordless Circular Saw

The Dong Cheng DCMY02-185 is a 20V cordless circular saw listed with a 185mm blade and a 4.0Ah battery. Its stated cut depths and dust-extraction connection suit portable cutting work, while the supplied kit details need checking because the listing gives different accounts of the blades and charger.

At a glance

Listing states cutting depths of 65mm at 90° and 45mm at 45°.
Dust port is described as compatible with a vacuum or sawdust bag, and a dust collection adaptor is claimed in the highlights.
Trigger lock and electronic brake are both described in the listing. The brake claim appears in the product description.
The title specifies a 4.0Ah battery. The listing also claims 24T and 40T blades and a guide, but its kit details are inconsistent.

Price

£81.59Save 15%

Reference price: ~~£95.99~~

Price checked: 12 Nov 2026

View offer

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Pros and cons

Pros

Cordless 20V configuration and a listed 4.0Ah battery support work away from a mains socket.
The stated 65mm straight-cut depth and 45mm bevel-cut depth provide useful reference points for sizing materials.
Dust extraction, a trigger lock and an electronic brake are stated features.

Technical specifications

16 specifications

Identity
Brand	Dong Cheng
Model	DCMY02-185

Power and battery
Power configuration	Battery Powered
Voltage	20 Volts
Battery quantity	1 Lithium Ion batteries required. (included)

Cutting
Blade diameter	185mm
Blade teeth	40
Cutting angle	45 Degrees
Surface recommendation	Metal
Blade shape	Round
Blade material	Alloy Steel

Motor and features
Rated wattage	850 watts
Motor speed	5000 RPM
Special features	Dust Extraction, Trigger Lock, Jobsite Safety

Dimensions and other details
Item dimensions (L × W × H)	28L x 13W x 26H centimetres
Manufacturer warranty description	3-year warranty.

What to know before buying

Listing details to confirm

The listing is inconsistent about kit contents. The explicit included-components field names a battery, while the title claims a 4.0Ah battery and highlights claim a battery and charger kit, two blades (24T and 40T), a dust adaptor and a guide. The blade-material field says Alloy Steel, while a feature describes carbide blades. Verify the selected kit and blade specifications before purchase. The 850W, 5000 RPM and 185mm claims are listing details, not independently confirmed measurements.

What’s in the box

BatteryIncluded
Battery and charger kitCheck selected pack
24T and 40T bladesCheck selected pack
GuideCheck selected pack
Dust collection adaptorCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

DIYers needing a cordless circular saw for straight and bevel cuts within the stated capacities.
Buyers who want a dust-port connection and listed trigger-lock and brake features.
People already using or considering Dong Cheng 20V tools, while confirming battery compatibility before relying on the claimed shared platform.

Less suited to

Buyers who need a confirmed charger or a specific blade set in the box without checking the selected listing.
Anyone whose work requires cutting depths greater than the stated 65mm at 90° or 45mm at 45°.

Dong Cheng DCMY02-185 20V 185mm Cordless Circular Saw · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 116 ratings

5 stars78%78%
4 stars10%10%
3 stars5%5%
2 stars0%0%
1 star7%7%

Customer feedback reports positive impressions of performance, battery life and value, including comments that the battery charges quickly and lasts a long time. These are reported experiences rather than guarantees. They may matter to buyers considering a cordless saw with the listed 4.0Ah battery, but do not resolve the listing's uncertainty over whether a charger is included. The aggregate ratings are mostly five-star, with a smaller one-star share, so experiences are not uniformly positive.

Positive themes

Customers report positive impressions of functionality and value.
Customers describe the battery as charging quickly and lasting a long time.

Frequently asked questions

What cutting depths does the listing specify?

It states 65mm at 90° and 45mm at 45°. Treat these as listing claims and check they suit the material and cut you need.

Is a 4.0Ah battery included?

The title specifies a 4.0Ah battery and the included-components field says a battery is included. The listing also refers to a battery and charger kit, but does not consistently confirm the full kit contents. Check the selected offer for the charger and battery capacity.

Are two blades and a guide included?

The highlights claim 24T and 40T blades and a guide, but the explicit included-components field lists only a battery. Confirm the actual kit contents before buying.

Does it have dust extraction?

The listing describes a dust port and an adaptor for connection to a vacuum or sawdust bag. The adaptor's inclusion in the selected package is not clearly confirmed.