DCHT821 - Hedge trimmers DEWALT - Free user manual and instructions
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| Product type | Cordless hedge trimmer |
| Brand | DeWalt |
| Model | DCHT821 |
| Battery voltage | 20 V MAX |
| Blade length | 53 cm (21 inches) |
| Weight (without battery) | 3.6 kg |
| Dimensions (L x W x H) | 100 x 20 x 18 cm |
| Maximum cutting capacity | 25 mm |
| No-load speed | 2400 strokes/min |
| Motor | Brushless, high performance |
| Battery system | DeWalt 20V MAX |
| Blade type | Hardened steel, double action |
| Handle | Ergonomic with rubber coating, rotatable front handle |
| Safety | Trigger lock, two-hand on/off switch |
| Runtime | Varies depending on battery (up to 60 min with 5 Ah battery) |
| Maintenance | Clean after use, lubricate blades regularly |
| Cleaning | With damp cloth, no solvents |
| Spare parts | Blade, housing, battery cover available |
| Repairability | Score 8/10, easy replacement of blades and motor block |
| Sound level | 85 dB(A) (typical value) |
| Vibration | 2.5 m/s² (front hand), 2.8 m/s² (rear hand) |
Frequently Asked Questions - DCHT821 DEWALT
What type of battery does the Dewalt DCHT821 hedge trimmer use?
The Dewalt DCHT821 uses a 20V MAX battery from the Dewalt range (XR or standard). It is compatible with all 20V MAX batteries from the brand.
How to change the blade on the DCHT821?
To change the blade, first disconnect the battery. Remove the screws from the blade guard, then remove the old blade. Install the new blade respecting the cutting direction, then screw the guard back. Consult the manual for torque specifications.
Should I oil the blades?
Yes, it is recommended to lubricate the blades after each use with a specific garden tool oil (for example WD-40 oil or special hedge trimmer oil). Apply a few drops on the cutting edges and run the tool for a few seconds.
What is the battery runtime?
The runtime depends on the battery capacity. With a 5 Ah battery, you can work approximately 60 minutes in normal use. A 2 Ah battery offers about 25 minutes. The thickness of branches and speed affect runtime.
How to clean the hedge trimmer?
After each use, remove the battery and clean the blade with a soft brush and damp cloth. Do not use harsh solvents. Dry thoroughly before storing.
Does the hedge trimmer work cordless?
Yes, the DCHT821 is a cordless model (battery-powered). It offers great freedom of movement without cable constraints.
What is the warranty of the Dewalt DCHT821?
The manufacturer's warranty is generally 3 years for the tool and 1 year for the battery. Register your product on the Dewalt website to activate the warranty.
How to store the unit in winter?
Store the hedge trimmer in a dry, frost-free place. Remove the battery and store it separately at room temperature. Protect the blade with a cap if available.
Does the tooth spacing allow cutting thick branches?
The maximum cutting capacity is 25 mm. For thicker branches, use pruning shears or a saw. Do not force the tool to avoid damaging the blade.
Where to find spare parts?
Spare parts (blades, housing, switch) are available from authorized Dewalt dealers or on the official website. Use the model number DCHT821 to identify compatible parts.
User questions about DCHT821 DEWALT
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USER MANUAL DCHT821 DEWALT
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Product information
Brand : DEWALT
Model : DCHT821
Category : Hedge trimmers