Introduction
The Hoteche Cordless Electric Chainsaw Sharpener Kit is a versatile and portable tool designed for maintaining the sharpness of chainsaw chains, mower blades, and other cutting tools. Powered by a rechargeable Li-ion battery, it offers cordless convenience and adjustable high-speed performance for precise sharpening. This manual provides essential information on the product's components, setup, operation, maintenance, and safety guidelines to ensure optimal performance and longevity of your sharpener.
Safety Instructions
Always adhere to the following safety precautions when operating the Hoteche Cordless Electric Chainsaw Sharpener Kit to prevent injury or damage to the tool.
- Eye Protection: Always wear safety glasses or goggles to protect your eyes from flying debris.
- Hand Protection: Wear appropriate gloves to protect your hands during operation and when handling sharp blades or chains.
- Stable Work Area: Ensure your workpiece is securely clamped or stable to prevent movement during sharpening.
- Ventilation: Operate the sharpener in a well-ventilated area.
- Keep Clear: Keep hands, hair, and loose clothing away from rotating parts.
- Battery Safety: Use only the provided charger and adaptor. Do not expose the battery to extreme temperatures or moisture.
- Unplug When Not In Use: Disconnect the sharpener from the power source when not in use, before cleaning, or when changing accessories.
- Proper Storage: Store the tool in a dry, secure place out of reach of children.
- Inspect Before Use: Before each use, inspect the tool and accessories for any damage. Do not use if damaged.
What's in the Box
The Hoteche Cordless Electric Chainsaw Sharpener Kit includes the following components:

An image displaying all components included in the Hoteche Cordless Electric Chainsaw Sharpener Kit, laid out on a surface. This includes the main sharpening tool, charger, USB cable, various sharpening bits, and guides.
- 1 x Cordless Sharpening Tool (Main Unit)
- 1 x Chainsaw Sharpening Guide
- 3 x Diamond Sharpening Bits (5/32", 3/16", 7/32")
- 1 x Blade Sharpening Guide
- 1 x Universal Sharpening Guide
- 1 x Wrench
- 1 x DC Adaptor (5V 500mA)
- 1 x USB Charging Cable
- 1 x Sharpening Stone (often included for general purpose)
Setup
1. Charging the Battery
The Hoteche sharpener is powered by a 1500mAh Li-ion rechargeable battery. Before first use, or when the energy indicator shows low battery, fully charge the device.
- Connect the DC adaptor to a power outlet.
- Plug the USB charging cable into the DC adaptor and the other end into the DC jack on the sharpener.
- The charger status indicators will illuminate during charging. Charging typically takes 3-5 hours for a full charge.
- When the two LED lights (green and yellow) light up, the battery is fully charged. The tool features auto power-off during overcharge or over-discharge for safety.
2. Attaching Sharpening Bits and Guides
Proper attachment of the sharpening bits and guides is crucial for effective and safe operation.

A diagram illustrating the components of the Hoteche Cordless Electric Chainsaw Sharpener, including the collet nut, on/off switch, shaft lock button, energy indicator, charger status indicators, collet, and DC jack.
- Selecting the Bit: Choose the appropriate diamond sharpening bit size (5/32", 3/16", or 7/32") for your chainsaw chain or the sharpening stone for general blade sharpening.
- Inserting the Bit: Press and hold the Shaft Lock Button. Unscrew the Collet Nut. Insert the shank of the chosen sharpening bit into the Collet. Tighten the Collet Nut securely using the provided wrench, ensuring the bit is firmly held.
- Attaching the Guide:
- For chainsaw chains, slide the Chainsaw Sharpening Guide over the collet nut and secure it. This guide helps maintain the correct sharpening angle.
- For mower or other blades, attach the Blade Sharpening Guide or Universal Sharpening Guide as needed.
Operating Instructions
1. Powering On and Speed Adjustment
The sharpener features an adjustable speed range for various tasks.
- Press the On/Off Switch to power on the tool.
- Use the Speed Control Buttons (+/-) to adjust the RPM between 5000-18000 RPM. Start with a lower speed and increase as needed for optimal sharpening.

An image highlighting the "Humanized Designs" of the Hoteche sharpener, showing the speed control buttons, energy indicator lights, and the comfortable soft-grip handle.
2. Sharpening a Chainsaw Chain
Achieve precise sharpening of your chainsaw chain using the dedicated guide.

A close-up image showing the Hoteche sharpener with the chainsaw sharpening guide attached, actively sharpening a chainsaw chain. The guide is positioned over the chain, ensuring the correct angle.

An image detailing the angle guide feature of the sharpener, showing markings for 25°, 30°, and 35° angles, indicating how to achieve precise sharpening angles for chainsaw teeth.
- Ensure the correct diamond sharpening bit and the Chainsaw Sharpening Guide are installed.
- Secure the chainsaw chain firmly.
- Align the sharpening guide with the tooth of the chainsaw chain, ensuring the desired sharpening angle (e.g., 25°, 30°, or 35°) is maintained. The guide helps you achieve consistent angles.
- Gently press the rotating bit against the cutting edge of the tooth. Apply light, consistent pressure.
- Sharpen each tooth for a few seconds, moving the tool smoothly. Repeat for all teeth on one side, then flip the chainsaw and sharpen the teeth on the other side.
- Check the sharpness of the chain periodically.
3. Sharpening a Blade (e.g., Mower Blade)
Use the appropriate guide and sharpening stone for general blade sharpening.

An image showing the Hoteche sharpener with a sharpening stone attached, being used to sharpen a flat blade, likely a mower blade. The blade sharpening guide is in place to assist with maintaining the correct angle.
- Install the sharpening stone and the Blade Sharpening Guide or Universal Sharpening Guide.
- Secure the blade to be sharpened.
- Position the guide against the blade, ensuring the desired sharpening angle.
- Turn on the sharpener and gently move the rotating stone along the cutting edge of the blade, applying even pressure.
- Work along the entire cutting edge, maintaining a consistent angle.
- Repeat on the other side of the blade if it has a double bevel.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your Hoteche sharpener.
- Cleaning: After each use, wipe down the tool with a clean, dry cloth to remove dust and debris. Do not use harsh chemicals or abrasive cleaners.
- Bit Inspection: Regularly inspect the sharpening bits for wear. Replace them when they become dull or damaged to ensure effective sharpening.
- Battery Care: For long-term storage, charge the battery to approximately 50% and store the tool in a cool, dry place. Recharge every 3-6 months if not in use to maintain battery health.
- Storage: Store the sharpener and its accessories in a protective case or a dry, dust-free environment.
Troubleshooting
Problem | Possible Cause | Solution |
---|---|---|
Tool does not turn on. | Battery is depleted. | Charge the battery fully. |
Tool stops during operation. | Battery is low or tool is overloaded. | Recharge the battery. Reduce pressure during sharpening. |
Sharpening is ineffective. | Dull or incorrect sharpening bit; incorrect angle. | Replace the sharpening bit. Ensure the correct bit size and maintain the proper sharpening angle using the guide. |
Bit wobbles or falls out. | Collet nut not tightened sufficiently. | Ensure the collet nut is securely tightened with the wrench. |
Specifications
- Model Number: G840011A
- Power Source: 3.6V Li-ion Battery
- Battery Capacity: 1500mAh
- Charging Time: 3-5 hours
- Continuous Runtime: Up to 90 minutes
- Variable Speed: 5000-18000 RPM
- Product Dimensions: 1 x 1 x 1 inches (approximate, as per product data)
- Item Weight: 1.17 pounds
- Manufacturer: Hoteche
- Country of Origin: China
Warranty and Support
Specific warranty information for the Hoteche Cordless Electric Chainsaw Sharpener Kit is not provided in this manual. For warranty details, technical support, or replacement parts, please contact Hoteche customer service directly or refer to the product packaging and official Hoteche website.
You may find contact information on the manufacturer's website or through the retailer where the product was purchased.
Official Product Videos
No official product videos from the seller were found for this item. Please refer to the instructions and images provided in this manual for guidance.