Introduction
The SENIX CSX2-M1-0 20 Volt Max* cordless brushless top handle chainsaw is designed for efficient cutting of limbs and small branches. It features a 10-inch bar and chain with an 11 m/s chain speed, an auto oiler for continuous lubrication, and an integrated chain brake for enhanced safety. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your chainsaw.
*20 Volt Max battery, maximum initial battery voltage (measured without a workload) is 20 volts. The nominal voltage is 18.
Safety Information
Always prioritize safety when operating power tools. Read and understand all safety warnings and instructions before use. Keep hands and feet clear of the chain. Wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, gloves, and sturdy footwear.

- Integrated Chain Brake: The chainsaw is equipped with an integrated chain brake that stops the chain in the event of kickback, providing an extra measure of safety to the operator.
- Proper Grip: Always hold the chainsaw firmly with both hands.
- Work Area: Ensure your work area is clear of obstacles and bystanders.
- Battery Safety: Use only SENIX 20V Max batteries and CHX2 2 Amp charger. Battery and charger are sold separately.
Product Overview

The SENIX CSX2-M1-0 chainsaw is a lightweight and compact tool designed for ease of use and maneuverability. Its brushless motor ensures powerful yet quiet operation with low vibration.

Setup
1. Unpacking
Carefully remove all components from the packaging. Ensure all parts listed in the packing list are present and undamaged. The electric chainsaw comes with a bar and chain cover only. Battery and charger are sold separately.
2. Battery Installation
Insert a fully charged SENIX 20V Max battery into the battery slot on the chainsaw handle until it clicks securely into place. Ensure the battery is properly seated before operation.
3. Bar and Chain Assembly
The chainsaw features a tool-less chain tensioning system for easy chain adjustment. Refer to the detailed diagrams in your product manual for precise assembly steps. Ensure the chain is correctly oriented and tensioned before first use.
4. Oiling System

The chainsaw is equipped with an automatic oiling system. Fill the 2 oz. built-in oil tank with appropriate bar and chain oil. The oil level window allows for easy monitoring of the oil supply. Continuous lubrication is essential for optimal performance and chain longevity.
Operating Instructions
1. Starting the Chainsaw
To start the chainsaw, ensure the battery is fully charged and properly installed. Engage any safety switches as per the product's design, then press the power trigger. The integrated chain brake should be disengaged before cutting.
2. Cutting Techniques
This 10-inch chainsaw is ideal for cutting small to medium branches, logs, and for various DIY projects. Its 11 m/s chain speed ensures smooth and efficient cutting. Avoid forcing the saw; let the chain do the work.


This video demonstrates the SENIX CSX2-M1 Chainsaw in action, showing its use for cutting limbs and small branches, highlighting its ease of use and cutting efficiency.
Maintenance
1. Chain Lubrication
Regularly check the oil level in the automatic oiling system via the oil level window. Refill as needed with recommended bar and chain oil to ensure continuous lubrication during operation. Proper lubrication prevents premature wear of the bar and chain.
2. Chain Tension Adjustment
The tool-less chain tensioning system allows for quick and easy adjustments. A properly tensioned chain is crucial for safe and efficient cutting. Check chain tension frequently, especially during initial use and after prolonged operation.
3. Cleaning and Storage
After each use, clean the chainsaw thoroughly, removing sawdust, debris, and any resin buildup from the bar, chain, and motor housing. Store the chainsaw in a dry, secure location, out of reach of children, with the bar and chain cover in place.
Troubleshooting
If you encounter issues with your SENIX chainsaw, refer to the following general troubleshooting tips:
- Chainsaw not starting: Ensure the battery is fully charged and properly inserted. Check that all safety switches are disengaged.
- Poor cutting performance: Verify chain tension is correct. Check if the chain is dull and requires sharpening or replacement. Ensure the oil tank is filled.
- Excessive vibration: Inspect the chain for damage or improper installation. Check bar and chain for proper alignment.
For more detailed troubleshooting or persistent issues, please contact SENIX customer support.
Specifications
| Feature | Specification |
|---|---|
| Brand | SENIX |
| Model Number | CSX2-M1-0 |
| Power Source | Battery Powered (20V Max) |
| Horsepower | 550 Watts |
| Item Weight | 6 Pounds |
| Product Dimensions | 19.7"L x 7.9"W x 7.7"H |
| Chain Length | 10 Inches |
| Chain Speed | 11 m/s |
| UPC | 843212113126 |
| Included Components | Cordless Chainsaw with 10-inch Bar and Chain (Tool Only) |
Warranty and Support
All SENIX 20 Volt Max* cordless products are backed by a 5-year limited warranty. All SENIX lithium-ion batteries and chargers are backed by a 3-year limited warranty for your peace of mind.
For warranty claims, technical support, or any inquiries, please refer to the contact information provided on the SENIX official website or your purchase documentation.