1. Einleitung
Thank you for choosing the Litheli 13 Inch Cordless Lawn Mower, U20 Series. This electric lawn mower is designed for efficient and convenient lawn care, featuring a powerful brushless motor and a lightweight, foldable design. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your new lawn mower.

Figure 1: Litheli 13 Inch Cordless Lawn Mower
2. Sicherheitshinweise
Lesen und verstehen Sie vor der Inbetriebnahme dieses Produkts stets alle Sicherheitshinweise und Anweisungen. Die Nichtbeachtung der Hinweise und Anweisungen kann zu Stromschlag, Brand und/oder schweren Verletzungen führen.
- Lesen Sie das Handbuch: Machen Sie sich mit allen Bedienelementen und der korrekten Verwendung des Geräts vertraut.
- Tragen Sie angemessene Kleidung: Always wear safety glasses or goggles, long pants, and sturdy footwear. Avoid loose clothing that could get caught in moving parts.
- Räumen Sie den Bereich frei: Before mowing, clear the area of objects such as rocks, sticks, wires, bones, and other debris that could be thrown by the blade.
- Halten Sie Unbeteiligte fern: Do not allow children or bystanders in the area while operating the mower.
- Vermeiden Sie nasses Gras: Betreiben Sie den Rasenmäher nicht auf nassem Gras, da dies zu Rutschen führen und die Schnittleistung verringern kann.
- Handle Slopes with Caution: Mähen Sie quer zur Hangseite, niemals auf und ab. Seien Sie bei Richtungswechseln an Hängen äußerst vorsichtig.
- Batteriesicherheit: Use only the specified battery packs. Do not expose battery packs to water or extreme temperatures.
- Wartung: Regularly inspect the blade for damage and ensure all nuts, bolts, and screws are tight.
3. Lieferumfang
Your Litheli 13 Inch Cordless Lawn Mower package includes the following items:
- 1 x Litheli Electric Mower (Cordless)
- 2 x Litheli 4.0Ah Rechargeable Lithium-Ion Batteries
- 1 x Product Instruction Manual (this document)
- 1 x Grass Collection Bag (8-gallon capacity)
- Assembly Hardware (screws, clips for handle assembly)
4. Einrichtung
4.1 Auspacken und Zusammenbau
Befolgen Sie diese Schritte, um Ihren Rasenmäher zusammenzubauen:
- Entnehmen Sie vorsichtig alle Komponenten aus der Verpackung.
- Unfold the lower handle section and secure it to the mower base using the provided hardware.
- Attach the upper handle section to the lower handle, ensuring all cables are properly routed and secured with clips.
- Attach the grass collection bag to the rear of the mower.
Video 1: Litheli U20 Brushless Lawn Mower Unboxing and Assembly Guide. This video demonstrates the step-by-step process of unboxing and assembling the Litheli U20 Series lawn mower, including attaching the handle and grass bag.
4.2 Einlegen der Batterie
The mower is powered by two 4.0Ah 20V lithium-ion batteries. To install:
- Open the battery compartment cover located on top of the mower.
- Insert both fully charged batteries into their respective slots until they click into place.
- Schließen Sie den Batteriefachdeckel fest.

Figure 2: Secure Battery Compartment
5. Bedienungsanleitung
5.1 Einstellen der Schnitthöhe
The mower offers 5 height adjustments, from 1 inch to 2.5 inches. To adjust:
- Stellen Sie aus Sicherheitsgründen sicher, dass der Rasenmäher ausgeschaltet und der Akku entfernt ist.
- Suchen Sie den Hebel zur Höhenverstellung an der Seite des Rasenmähers.
- Pull the lever outwards and move it to the desired cutting height setting (1-5).
- Den Hebel loslassen, um ihn in Position zu arretieren.

Figure 3: 5-Position Height Adjustment
5.2 Starting and Mowing
So starten Sie den Mäher:
- Ensure batteries are installed and the grass bag is attached.
- Press and hold the lock-off button on the handle.
- While holding the lock-off button, pull the bail switch towards the handle. The mower will start.
- Release the lock-off button, but continue to hold the bail switch to keep the mower running.
The mower features a brushless motor with two speeds (3,300 rpm/3,700 rpm) and auto-adjust RPM for optimal power and run time. Its 13-inch cutting width is ideal for medium-sized lawns up to 3200 sq. ft.
Video 2: Litheli 13 inch Brushless Lawn Mower in Action. This video demonstrates the ease of starting and operating the Litheli 13-inch brushless lawn mower, showcasing its cutting performance on various terrains.

Figure 4: 13-inch Large Working Width
5.3 Battery as Portable Power Bank
The Litheli 4.0Ah batteries are versatile and can also be used as portable power banks. They feature USB ports for charging cell phones, computers, tablets, and other electronic devices, providing emergency power when needed.

Figure 5: Battery Doubles as a 20,000 mAh Power Bank
6. Wartung
6.1 Klingenpflege
The mower is equipped with a durable manganese steel blade for high cutting efficiency. Regularly inspect the blade for sharpness and damage. A dull or damaged blade can affect cutting performance and mower efficiency. Replace the blade if it is bent, cracked, or excessively worn.

Figure 6: Manganese Steel Blade Design
6.2 Grass Bag Emptying
The 8-gallon grass collection bag should be emptied regularly to maintain optimal cutting performance and prevent clogging. To remove the bag, lift the rear flap and detach the bag from its hooks. Dispose of clippings responsibly.

Figure 7: Large Grass Collection Bag
6.3 Speicherung
The mower features an easy-to-fold handle, allowing for compact storage in tight spaces like garden sheds or garages. To fold, loosen the handle clamps and fold the handle down. The carrying handle makes it easy to transport the lightweight mower.

Figure 8: Folding Handle for Convenient Storage
7. Fehlerbehebung
If you encounter issues with your Litheli lawn mower, please refer to the following common troubleshooting tips:
- Mower Not Starting: Ensure batteries are fully charged and correctly inserted. Check that the safety key (if applicable) is in place and both the lock-off button and bail switch are engaged correctly.
- Schlechte Schneidleistung: Check the blade for sharpness and damage. Ensure the cutting height is appropriate for the grass length. Empty the grass collection bag if it is full.
- Übermäßige Vibration: Turn off the mower immediately and check the blade for damage or imbalance. Ensure all fasteners are tight.
- Kurze Laufzeit: Ensure batteries are fully charged. Battery performance can decrease in very cold weather.
For further assistance, please contact Litheli customer support.
8. Spezifikationen
| Besonderheit | Spezifikation |
|---|---|
| Marke | LiTHELi |
| Modellnummer | U20LM00-0A220 |
| Stromquelle | Battery Powered (2 x 4.0Ah 20V Lithium-Ion) |
| Schnittbreite | 13 Zoll |
| Schnitthöheneinstellung | 5 Positionen (1" bis 2.5") |
| Motortyp | Bürstenloser Motor |
| Drehzahl | 3,300 rpm / 3,700 rpm (Two Speeds) |
| Grassackkapazität | 8 Gallonen |
| Produktabmessungen (aufgeklappt) | 54.3"T x 13"B x 37.4"H |
| Material | Plastik |
| Montage erforderlich | Ja |
9. Garantie und Support
Litheli offers a 3-year warranty for the entire machine und ein 2 Jahr Garantie auf den Akku. If you encounter any problems with your product, please contact Litheli customer support. We are committed to replying within 24 hours to assist you.
For support, please visit the official Litheli webBesuchen Sie die Website oder konsultieren Sie die Kontaktinformationen auf Ihrer Produktverpackung.





