1. Introducció
This manual provides essential information for the safe and effective use of your Litheli 30 cm Battery Chainsaw, Model U20CS00-0U220. Please read all instructions carefully before operating the chainsaw to ensure personal safety and optimal performance. Keep this manual for future reference.
2. Instruccions de seguretat importants
ADVERTÈNCIA: llegiu totes les advertències, instruccions, il·lustracions i especificacions de seguretat proporcionades amb aquesta eina elèctrica. L'incompliment de totes les instruccions que s'indiquen a continuació pot provocar descàrregues elèctriques, incendis i/o lesions greus.
2.1 General Chainsaw Safety
- Utilitzeu sempre l'equip de protecció individual (EPI) adequat, com ara ulleres de seguretat, protecció auditiva, guants i calçat resistent.
- Do not operate the chainsaw when tired, under the influence of drugs, alcohol, or medication.
- Keep children and bystanders at a safe distance (at least 15 meters) from the operating area.
- Inspect the chainsaw before each use for damaged parts, loose fasteners, or any other condition that may affect its safe operation.
- Ensure the work area is clear of obstacles, well-lit, and free from slippery conditions.
2.2 Chainsaw Specific Safety Features
The Litheli Battery Chainsaw is equipped with multiple safety features:
- Coberta de seguretat: Protects against wood chips and debris.
- Triple Safety Switch: Prevents accidental starting of the chainsaw.
- One-Button Brake: Stops the chain within 0.2 seconds for immediate safety.
- Funda protectora: Guards against injury and protects the saw blade.

Figure 1: Illustration of the chainsaw's triple safety protection features.
3. Contingut del paquet
Verifiqueu que hi hagi tots els elements en desempaquetar:
- Litheli Battery Chainsaw (Main Unit)
- Guide Bar (30 cm / 12 inches)
- Cadena de serra
- 2 x 10,000 mAh Lithium-Ion Batteries
- Battery Charger (USB-A and USB-C compatible)
- Manual d'usuari (Aquest document)

Figure 2: Contents typically included with the Litheli Battery Chainsaw.
4. Components del producte
Familiarize yourself with the main parts of your chainsaw:
- Motor sense escombretes: Provides efficient and powerful cutting performance with extended lifespan.
- Barra de guia: 30 cm (12 inch) length for various cutting tasks.
- Cadena de serra: Designed for fast and clean cuts.
- Sistema de lubricació automàtica: Ensures continuous chain lubrication.
- Dipòsit d'oli: 130 ml capacity with a transparent viewing window for easy level checks.
- Tool-Free Adjustment Knob: For quick chain tensioning and replacement.
- Mànec ergonòmic: Soft rubber grip for comfortable and secure handling.

Figura 3: Intern view del motor sense escombretes.

Figure 4: Detail of the automatic lubrication system and oil tank.
5. Muntatge i muntatge
5.1 Instal·lació de la barra guia i la cadena
- Assegureu-vos que la bateria estigui treta de la motoserra.
- Afloixeu el botó de la coberta lateral i traieu la coberta lateral.
- Col·loqueu la cadena al voltant del pinyó i la barra guia, assegurant-vos que les vores de tall estiguin orientades en la direcció correcta.
- Fit the guide bar onto the mounting studs and align the chain with the guide bar groove.
- Replace the side cover and lightly tighten the knob.
5.2 Ajust de la tensió de la cadena
The chainsaw features a tool-free adjustment knob for chain tension:
- With the side cover lightly tightened, use the adjustment knob to increase or decrease chain tension.
- La cadena ha d'estar ben ajustada a la barra guia, però encara es pot estirar lliurement amb la mà. No hi ha d'haver folgança a la part inferior de la barra guia.
- Un cop la tensió sigui correcta, estrenyeu completament el botó de la coberta lateral.
5.3 Filling the Chain Oil Tank
- Ensure the chainsaw is on a level surface and the battery is removed.
- Desenrosqueu la tapa del dipòsit d'oli.
- Fill the tank with appropriate chain lubricant (not included) up to the 'MAX' indicator.
- Replace the cap securely. Monitor the oil level through the transparent viewfinestra d'obertura durant el funcionament.
5.4 Instal·lació i càrrega de la bateria
The chainsaw uses 10,000 mAh Lithium-Ion batteries.
- To install, slide a charged battery into the battery compartment until it clicks into place.
- Per treure-la, premeu el botó d'alliberament de la bateria i feu-la lliscar cap a fora.
- To charge, connect the battery to the provided charger using the USB-A or USB-C port. The batteries can also function as power banks for other devices.

Figure 5: Illustration of the high-capacity lithium batteries.

Figure 6: The battery's dual USB-A and USB-C charging ports.
6. Funcionament
6.1 Engegada de la motoserra
- Assegureu-vos que es compleixin totes les mesures de seguretat i que es faci servir l'EPI.
- Insert a fully charged battery.
- Engage the safety switch (usually a button or lever that needs to be pressed before the trigger).
- Press the trigger to start the chainsaw. The chain will begin to move.
6.2 Tècniques de tall
The chainsaw is designed for quick and clean cuts, capable of up to 100 cuts in a 10 x 10 cm piece of wood per battery charge.
- Mantingueu sempre una subjecció ferma amb les dues mans als mànecs de la motoserra.
- Position yourself securely and maintain balance.
- Allow the chainsaw to reach full speed before making contact with the wood.
- Apliqueu una pressió constant i uniforme. No forceu la serra.
- Be aware of kickback potential, especially when cutting with the tip of the guide bar.

Figure 7: Chainsaw in operation, cutting a log.

Figure 8: Chainsaw being used for cutting, emphasizing its lightweight design.
6.3 Aturar la motoserra
Release the trigger to stop the chainsaw. The one-button brake will rapidly stop the chain's movement.
7. Manteniment
Un manteniment regular garanteix la longevitat i el funcionament segur de la motoserra.
7.1 Lubricació de la cadena
The automatic lubrication system ensures continuous oil flow. Regularly check the oil level through the transparent window and refill as needed with suitable chain oil.
7.2 Esmolat de la cadena
A sharp chain is crucial for efficient and safe cutting. Sharpen the chain regularly according to manufacturer guidelines or have it professionally sharpened.
7.3 Manteniment de la barra guia
Netegeu periòdicament la ranura de la barra guia per eliminar les serradures i les restes. Gireu la barra guia regularment per assegurar-vos un desgast uniforme.
7.4 Neteja
After each use, remove the battery and clean the chainsaw body, guide bar, and chain. Use a brush or compressed air to remove sawdust and debris. Do not use water to clean the motor housing.
7.5 Emmagatzematge
Store the chainsaw in a dry, secure location, out of reach of children. Ensure the chain is covered with its protective sheath. Remove batteries before long-term storage.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La motoserra no arrenca | Battery not inserted correctly or discharged; Safety switch not engaged; Faulty trigger. | Ensure battery is fully charged and properly inserted; Engage safety switch; Contact customer support if trigger is faulty. |
| La cadena no es mou o es mou lentament | Chain tension too tight; Chain dull or damaged; Low battery charge; Obstruction. | Ajustar la tensió de la cadena; Esmolar o substituir la cadena; Recarregar la bateria; Eliminar qualsevol obstrucció. |
| Sense lubricació de cadena | Oil tank empty; Oil port clogged; Faulty lubrication system. | Refill oil tank; Clean oil port; Contact customer support. |
| Vibració excessiva | Components solts; cadena o barra guia danyada. | Check all fasteners; Inspect and replace damaged chain/guide bar. |
9. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | U20CS00-0U220 |
| Marca | LiTHELi |
| Longitud de la barra guia | 30 cm (12 polzades) |
| Tipus de motor | Sense raspalls |
| Potència del motor | 600 watts |
| Velocitat de la cadena | 8 m/s |
| Tipus de bateria | Ió de liti |
| Capacitat de la bateria | 2 x 10,000 mAh (total 20,000 mAh) |
| Capacitat del dipòsit d'oli | 130 ml |
| Pes (sense bateria) | Aproximadament 2.5 kg |
| Dimensions del producte (L x A x A) | 34.5 x 23.5 x 23.5 cm |
| UPC | 740907583793 |
10. Garantia i atenció al client
For warranty information, please refer to the warranty card included with your product or visit the official Litheli website. For technical assistance, spare parts, or any other inquiries, please contact Litheli customer support through their official channels.





