1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your EGO POWER+ LM2100SP 21-inch Self-Propelled Cordless Electric Lawn Mower. Please read all instructions carefully before use.
The EGO POWER+ LM2100SP is designed to deliver powerful cutting performance without the emissions, noise, and maintenance associated with gasoline-powered mowers. It features a 21-inch cutting deck, variable speed self-propel, and multiple cutting height adjustments.

Figure 1: EGO POWER+ LM2100SP Lawn Mower
2. Safety Information
Always prioritize safety when operating power equipment. Familiarize yourself with all safety warnings and instructions provided in the full product manual. Key safety considerations include:
- Wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, and sturdy footwear.
- Keep hands and feet away from the cutting deck and rotating blades.
- Ensure the battery is removed when performing maintenance or cleaning.
- Operate the mower only in good daylight or with adequate artificial light.
- Keep children and bystanders away from the operating area.
- Do not operate the mower on steep slopes.
Refer to the 'Important Information' section of the full manual for detailed safety guidelines.
3. Package Contents
Your EGO POWER+ LM2100SP lawn mower package includes the following components:
- EGO POWER+ LM2100SP 21-inch Self-Propelled Lawn Mower (tool only)
- Grass Collection Bag (two-bushel capacity)
- Mulching Plug
- Side Discharge Chute
- Instruction Manual
Note: Battery and charger are sold separately for this model.
4. Setup
4.1 Unfolding the Handle
The mower's handle folds for compact storage. To unfold, release the locking mechanisms on the side of the handle and raise the handle until it locks securely into the operating position.

Figure 2: Mower in folded position
4.2 Battery Installation
Open the battery compartment cover located on top of the mower. Insert a fully charged EGO 56V ARC Lithium™ battery into the compartment until it clicks into place. Close the cover securely.
Video 1: EGO POWER+ Battery Platform Overview. This video demonstrates the battery system, including insertion and removal.
4.3 Mowing Options (Mulching, Bagging, Side Discharge)
Your mower offers three grass disposal options: mulching, bagging, and side discharge. The mulching plug is typically pre-installed. To switch options:
- Mulching: Ensure the mulching plug is securely inserted into the rear discharge opening.
- Bagging: Remove the mulching plug and attach the grass collection bag to the rear discharge opening.
- Side Discharge: Remove the mulching plug and attach the side discharge chute to the side discharge opening.
5. Operating Instructions
5.1 Starting the Mower
To start the mower, press and hold the safety button on the handle, then pull the bail lever towards the handle. The blades will begin to rotate.
5.2 Self-Propel Function
The mower features variable speed self-propel, adjustable from 0.9 to 3.1 MPH. Use the speed control dial on the handle to select your desired walking pace. Engage the self-propel by pulling the self-propel levers on the handlebars.
5.3 Cutting Height Adjustment
Adjust the cutting height using the single-point lever located on the side of the mower deck. The mower offers 6 cutting height positions, ranging from 1.5 to 4 inches.

Figure 3: Cutting height adjustment lever
5.4 LED Headlights
The mower is equipped with bright LED headlights for increased visibility during low-light conditions. Press the light button on the handle to turn them on or off.

Figure 4: Mower with LED headlights activated
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your mower. Always disconnect the battery before performing any maintenance.
- Cleaning: After each use, clean the cutting deck and exterior of the mower to remove grass clippings and debris.
- Blade Care: Inspect the blade regularly for sharpness and damage. Sharpen or replace the blade as needed.
- Storage: The mower features an adjustable handle height and folds for compact storage. Store the mower in a dry, secure location.
7. Troubleshooting
If you encounter issues with your mower, refer to the following common troubleshooting tips:
- Mower not starting: Ensure the battery is fully charged and properly inserted. Check that the safety button and bail lever are engaged correctly.
- Reduced runtime: Battery may not be fully charged or may be nearing the end of its lifespan. Ensure the mower deck is clean and free of excessive grass buildup.
- Uneven cut: Inspect the blade for sharpness and damage. Adjust the cutting height evenly across all wheels.
For more detailed troubleshooting, consult the complete instruction manual or contact EGO Power+ customer support.
8. Specifications
- Brand: EGO Power+
- Model: LM2100SP
- Power Source: Battery Powered (56V ARC Lithium™ compatible)
- Cutting Width: 21 Inches
- Cutting Height Settings: 6 positions (1.5 to 4 Inches)
- Self-Propel Speed: Variable, 0.9 to 3.1 MPH
- Runtime: Up to 60 minutes with recommended 56V 7.5Ah battery (sold separately)
- Material: Polypropylene
- Item Weight: 62.6 Pounds
- Product Dimensions: 61.61"D x 22.92"W x 46.46"H
- Assembly Required: No
9. Warranty & Support
The EGO POWER+ LM2100SP Lawn Mower comes with a 5-year tool warranty. For warranty claims, technical support, or replacement parts, please contact EGO Power+ customer service. Keep your proof of purchase for warranty validation.

Figure 5: EGO Power+ 5-Year Tool Warranty





