21v brushless lithium battery electric chain saw 8-inch handheld medium pruning and logging electric chain saw 21V 无刷锂电电链锯 8 寸手持中型修枝伐木电动链锯

1. Product Features

1. This 21V brushless lithium battery chainsaw features a brushless motor. The 8-inch guide plate combines a lightweight design with cutting power, making it the primary model for fruit orchard pruning.
2. No tools required for installation, removal, and adjustment—quick on-site configuration.
3. Automatic oil pump system for lubricating the chain guide plate.
4. Protective handguard with safety lock buttons.
5. The single-hand grip can be used to trim branches of fruit trees, while the double-hand grip can be used to cut medium-sized wood.
6. The 21V battery offers long battery life, and it is highly efficient for large-scale pruning in orchards.

2. Product Advantages

1. The cutting stroke of the 8-inch guide plate is longer than that of the 6-inch one, allowing for the truncation of thicker branches in a single pass and reducing the number of reciprocating cuts.
2. The brushless motor operates at high speed, with low cutting resistance, and the power remains stable during continuous operation.
3. Automatic oil pumping extends chain lifespan and reduces manual maintenance.
4. No tools required; can be completed quickly by a single person.
5. The device weighs appropriately, and can be operated with either one or both hands.
6. Battery quick removal rotation to ensure full-day operation.

III. Product Applications

1. Orchard major repair: Pruning of mature fruit tree branches.
2. Garden maintenance: trimming branches in greening areas and street trees.
3. Outdoor work: cutting wood, processing timber in the field.
4. Forest management: thinning and pruning of small timber.
5. Guide plate specification: 8 inches, suitable for wood with a cutting diameter of up to 15 cm.

4. Target Audience

1. Orchard growers, fruit tree pruning workers.
2. Landscaping maintenance staff.
3. Outdoor work team.
4. Forestry tending staff.
5. Individual wood processing business owner.

5. Product Attributes

1. Battery Voltage: DC 21V
2. Battery capacity: 4.0Ah
3. Motor type: brushless motor
4. Idling speed: 4500 rpm
5. Chain rotation speed: 8 m/s
6. Guide plate specification: 8 inches
7. Lubrication system: Automatic oil pump
8. Adjusting method: Tool-free installation and adjustment
9. Security Configuration: Security lock knob, guard plate
10. Machine net weight: 1.6 kg
11. Battery type: Removable lithium-ion battery pack

6. Usage Instructions

1. Battery installation: Push the fully charged battery pack into the bottom slot and lock it in place.
2. Guide plate chain installation: Open the machine cover, insert the chain onto the guide plate sprocket, adjust the tension and lock it in place.
3. Check the lubricating oil.
4. Power on: Hold the handle, pull the trigger to start, and then touch the wood once it stabilizes.
5. Cutting: Proceed smoothly, without forced pressing down.
6. Final steps: Release the trigger, stop rotating, remove the battery, and clean up.

7. Precautions

1. Goggles and protective gloves.
2. Do not touch during the chain operation.
3. Confirm there are no foreign objects before cutting.
4. The battery should be kept away from high-temperature flames.
5. Heat up, stop operating, cool down.
6. It is prohibited to be exposed to moisture or rain.
7. Children must not be approached.
8. If the chain becomes loose and makes noise, shut down immediately.