EGO Power+ LM2021E-SP Lawn Mower Manual

The EGO Power+ LM2021E-SP is a 21-inch Cordless Electric Lawn Mower powered by a 56V ARC Lithium™ battery. It features a high-efficiency brushless motor, 3-in-1 functionality (mulch, bag, side discharge), 6-position height adjustment (1.5" to 4"), instant push-button start, weather-resistant construction, LED headlight for low-light conditions, and a battery fuel gauge. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly Instructions 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Battery & Charging 7. Mowing Operation 8. Maintenance & Storage 9. Safety Information 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Deck with 21-inch steel blade, Handle assembly, Battery (56V ARC Lithium™), Charger, Mulching plug, Grass collection bag.

FeatureDescription
Power Source56V ARC Lithium™ Battery (included)
Cutting Width21 inches
Cutting Height6-position adjustment (1.5" to 4")
MotorHigh-efficiency Brushless
Start MethodPush-button Instant Start
Functionality3-in-1 (Mulch, Bag, Side Discharge)
HeadlightIntegrated LED for low-light mowing
HandleFoldable for compact storage
Battery Fuel GaugeLED indicator on battery
Warranty5-Year Tool Warranty, 3-Year Battery Warranty

Assembly Instructions

Unpack and inspect all contents. Ensure all parts are present.

  1. Attach the Lower Handle: Align lower handle with deck brackets and secure with provided bolts and wrench.
  2. Attach the Upper Handle: Connect upper handle to lower handle, secure with knobs or bolts.
  3. Install the Grass Bag: Hook bag onto rear deck hooks. Ensure it is securely attached.
  4. Install the Battery: Insert battery into battery port on handle until it clicks. Charge fully before first use.
  5. Attach Mulching Plug (if mulching): Insert plug into rear discharge chute.

WARNING! Do not install battery until assembly is complete. Ensure all fasteners are tight.

First-Time Setup

Before first mow, complete these steps.

  1. Fully Charge Battery: Connect charger to battery and wall outlet. Charge until indicator shows full (approx. 60 minutes).
  2. Adjust Cutting Height: Use single-lever height adjuster to select desired cutting height (1.5" to 4").
  3. Select Discharge Mode: Decide on Mulch, Bag, or Side Discharge and install appropriate accessory.
  4. Safety Check: Ensure blade is not damaged, all guards are in place, and area is clear of debris.
  5. Test Start: Press and hold safety handle, then press start button to ensure mower operates smoothly.

CAUTION! Always wear sturdy shoes and eye protection when operating.

Specifications

Controls and Settings

Main Controls: Safety Handle (must be held to operate), Start/Stop Button, Height Adjustment Lever, Battery Release Button.

Operation: Grip safety handle to engage motor, press green start button. Release safety handle to stop blade instantly.

Height Adjustment: Single lever adjusts all four wheels simultaneously. Select from 6 positions.

Discharge Mode Selection: Mulch: Install plug. Bag: Attach collection bag. Side Discharge: Remove plug and bag.

Battery Gauge: Press button on battery to see remaining charge via LED indicators.

Battery & Charging

Battery: 56V ARC Lithium™, 5.0Ah. Charger: Rapid Charger included.

  1. Charging: Connect charger to battery and wall outlet. LED on charger indicates status (red=charging, green=full).
  2. Battery Installation: Insert into port until it clicks. To remove, press release buttons and pull out.
  3. Storage: Store battery in cool, dry place. For long-term storage, charge to 50%.
  4. Fuel Gauge: Press button on battery to check charge level (4 LEDs = full, 1 LED = low).

Tip: Use only EGO Power+ 56V chargers and batteries. Do not expose battery to fire or water.

Mowing Operation

Supports mulching, bagging, and side discharge.

  1. Pre-Mow Check: Ensure battery is charged, area is clear of stones/obstacles.
  2. Starting: Hold safety handle, press start button. Blade begins spinning.
  3. Mowing: Walk at steady pace, overlapping passes slightly for even cut.
  4. Stopping: Release safety handle. Blade stops within seconds.
  5. Bag Emptying: Stop mower, detach bag, empty clippings.
  6. Mode Change: Stop mower completely before changing between mulch/bag/side discharge.
  7. Slopes: Mow across slopes, not up and down, for stability.
  8. Wet Grass: Avoid mowing very wet grass to prevent clumping.

WARNING! Keep hands and feet away from cutting deck at all times. Do not mow in reverse.

Maintenance & Storage

Regular maintenance ensures optimal performance and longevity.

  1. After Each Use: Clean underside of deck (with mower off and battery removed).
  2. Blade Care: Periodically inspect blade for damage or dullness. Sharpen or replace as needed.
  3. Wheel and Height Adjustment: Lubricate moving parts if they become stiff.
  4. Battery Contacts: Keep clean and dry.
  5. End-of-Season Storage: Clean thoroughly, remove battery, store in dry location. Charge battery to 50%.

CAUTION! Always disconnect battery before performing any maintenance.

Safety Information

Read all instructions before use. Always wear eye protection and sturdy footwear. Keep bystanders and pets away. Do not operate in rain or on wet grass. Do not allow children to operate. Be aware of your surroundings, especially when backing up. Keep hands and feet away from moving parts. Use only as intended.

Regulatory Information

This product complies with applicable U.S. safety standards. Contains lithium-ion battery; follow local regulations for disposal. Copyright © EGO Power+. All trademarks are property of Chevron Phillips Chemical Company LP. For support, visit www.egopowerplus.com or contact 1-855-EGO-5656.

Troubleshooting

SymptomPossible CauseCorrective Action
Mower won't startBattery not inserted/charged, safety handle not engagedInsert/charge battery fully; ensure safety handle is gripped firmly.
Reduced run timeBattery old/defective, grass too thick/wetCheck battery health; mow in drier conditions or more frequently.
Uneven cutDull blade, uneven tire pressure, cutting height not levelSharpen/replace blade; check tire pressure; adjust height lever evenly.
Bag not fillingDeck clogged, wet grass, bag fullClean deck underside; mow when grass is drier; empty bag more often.
Unusual vibration/noiseDamaged/debris on blade, loose partsStop immediately, disconnect battery, inspect blade and tighten all fasteners.

Reset: If mower stops unexpectedly, release safety handle, wait 10 seconds, then restart.

Service: 1-855-EGO-5656; www.egopowerplus.com

EGO Power+ LM2021E-SP Lawn Mower Manual © - All Rights Reserved 2025