Introduction
This user manual provides essential information for the safe and effective operation, assembly, and maintenance of your Denali by SKIL 20V Brushless 13-Inch String Trimmer Kit. Please read this manual thoroughly before first use and keep it for future reference.
Safety Information
WARNING:
- Wear eye protection and gloves.
- Be aware of flying debris and cut hazards.
- Always ensure the battery is removed before performing any maintenance or assembly.
Product Features
- Brushless Motor: Provides efficient power and extended tool life.
- 13-Inch Cutting Width: Ideal for trimming grass along fences, buildings, and other hard-to-reach areas.
- 2 Speed Settings: Offers optimal power and control for various trimming tasks.
- Variable Speed Trigger: Allows for precise control over cutting speed.
- Twist Load Head: Simplifies line replacement; just insert the line and twist.
- Denali by SKIL Lithium Battery Technology: Delivers longer run time and extended battery life.
- Easy Storage Hook and Bracket: Conveniently store the trimmer with other Denali outdoor equipment.
- Cross-Compatibility: Works with all SKIL PWRCORE 20 tools, batteries, and chargers.

Figure 1: Key features of the Denali by SKIL 20V Brushless 13-Inch String Trimmer.
What's in the Box
Your Denali by SKIL 20V Brushless 13-Inch String Trimmer Kit includes the following components:
- 20V Brushless 13-Inch String Trimmer
- Denali by SKIL 4.0Ah Lithium-Ion Battery
- 2.4A Charger
- Easy Storage Bracket
- Adjustable Front-Assist Handle
- Guard
- Storage Adapter

Figure 2: All components included in the Denali by SKIL 20V Brushless 13-Inch String Trimmer Kit.

Figure 3: The 4.0Ah battery and 2.4A charger.
Assembly
Assembly is required for this product. Follow these general steps:
- Attach the adjustable front-assist handle to the main shaft.
- Secure the guard to the trimmer head according to the instructions provided in the full manual.
- Ensure all connections are firm and secure before use.
Charging the Battery
Before first use, fully charge the 4.0Ah lithium-ion battery using the provided 2.4A charger. The battery features an indicator to show its charge level.
- Connect the charger to a power outlet.
- Slide the battery onto the charger until it clicks into place.
- Monitor the charge indicator lights on the battery and/or charger.
- Once fully charged, remove the battery from the charger.
Operating Instructions
Starting the Trimmer
- Ensure the battery is securely inserted into the trimmer.
- Hold the trimmer firmly with both hands.
- Engage the safety switch (if applicable) and press the variable speed trigger to start the trimmer.
Speed Settings
The trimmer features 2 speed settings. Use the lower speed for lighter trimming tasks to conserve battery life, and the higher speed for tougher, overgrown areas. The variable speed trigger allows for fine-tuning the speed within each setting.
Line Feeding (Twist Load Head)
The innovative Twist Load Head makes line feeding simple:
- Align the eyelets on the trimmer head.
- Insert the trimmer line through one eyelet and out the other until both ends are even.
- Twist the head to wind the line into the spool.

Figure 4: The Twist Load Head for easy line replacement.
Typical Usage
This cordless string trimmer is designed for trimming grass along a fence, building, or other areas a mower might not reach. With the included 4.0Ah battery, it can run for up to 30 minutes, depending on the load and speed setting.

Figure 5: Trimmer in use for edging.
Official Product Video
Video 1: Official overview of the Denali 20V Brushless 13-Inch String Trimmer, demonstrating its features and ease of use.
Maintenance
- Regularly clean the trimmer head and guard to prevent debris buildup.
- Inspect the trimmer line for wear and replace as needed using the twist load head mechanism.
- Store the trimmer in a dry, secure location, utilizing the Easy Storage Hook and Bracket.
Troubleshooting
If you encounter any issues with your string trimmer, please refer to the comprehensive troubleshooting guide in the full product manual or contact customer support. Common issues often relate to battery charge, proper line installation, or debris obstruction.
Specifications
| Brand | Denali |
| Model Number | ALT4823B-10 |
| Power Source | Battery Powered (20V) |
| Battery Included | 4.0Ah Lithium-Ion |
| Charger Included | 2.4A |
| Cutting Width | 13 Inches |
| Speed | Up to 6000 RPM (2 speed settings) |
| Item Weight | 4.96 Pounds |
| Product Dimensions | 64.2"L x 8.7"W |
| UPC | 195532001561 |

Figure 6: Detailed product specifications.
Warranty and Support
This Denali by SKIL product is covered by a Power Tool 2-Year Battery Warranty and a 5-Year Tool Warranty. For warranty claims, technical support, or additional information, please refer to the official Denali by SKIL website or contact their customer service department.
You can also find the official User Manual (PDF) and Warranty (PDF) documents via the links below:





