Introducció
Thank you for choosing the Litheli 20V Cordless Impact Driver Kit. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new tool. Please read it thoroughly before first use and keep it for future reference.
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The Litheli 20V Cordless Impact Driver is designed for various driving tasks, offering powerful torque and versatile speed settings. Key features include a brushless motor for efficiency, a 1/4-inch quick-connect hex chuck for easy bit changes, and an integrated LED worklight.

Figure 1: Litheli 20V Cordless Impact Driver with labeled parts including 1/4-inch quick-connect hex chuck, brushless motor, variable speed trigger, forward/reverse control switch, mode switch button, built-in work light, battery release button, rechargeable battery, and removable belt clip.
Característiques principals:
- Powerful Torque Output: Brushless motor delivers 2035 in-lbs of Max Torque.
- Configuració de velocitat variable: Reaches up to 3500 IPM and 3-speed setting (0-800, 0-1800, 0-3000 RPM).
- Quick-Connect Chuck: Tool-free bit changes with the standard 1/4 inch impact driver chuck.
- Llum de treball LED: Built-in light for dark spaces.
- Versatile U20 Battery: Powered by Litheli U20 SUPER BATTERY, compatible with all Litheli U20 devices, and functions as a power bank.
Configuració
1. Carregant la bateria
Before initial use, fully charge the battery pack. The battery pack is equipped with a push button for checking the charge level. Simply press the push button to read off the battery charge level from the LEDs of the battery indicator.
Video: Demonstrates unboxing, battery charging, and features of the Litheli impact wrench. The video shows how to connect the charger to the battery and how the LED indicators signal charging status.
Per cobrar:
- Connect the charger to the power supply (120V~60Hz). The red LED indicator will shine, indicating that the charger is working correctly.
- Alineeu les costelles elevades de la bateria amb les ranures de muntatge del carregador; fes lliscar la bateria al carregador.
- Quan la bateria està inserida correctament, l'indicador LED verd parpellejarà lentament per indicar que la bateria s'està carregant. La llum vermella s'apagarà.
- Quan la llum verda es manté encesa, la bateria està completament carregada.
ADVERTÈNCIA: No utilitzeu el carregador a l'exterior ni l'exposeu a la humitat o damp condicions. L'aigua que entra al carregador augmentarà el risc de descàrrega elèctrica.
2. Instal·lació/extracció de la bateria
To install the battery, align the battery pack with the base of the tool and slide it in until it clicks securely into place. To remove, press the battery release buttons on the sides of the battery pack and slide it out.
Instruccions de funcionament
1. Changing Bits
The 1/4-inch quick-connect hex chuck allows for tool-free bit changes. Simply pull back the collar, insert the bit, and release the collar to secure it.

Figure 2: The 1/4-inch quick-connect hex chuck allows for fast and secure bit changes without additional tools.
2. Variable Speed and Operating Modes
The impact driver features a variable speed trigger and multiple operating modes to suit different applications. The 3-speed settings (0-800, 0-1800, 0-3000 RPM) provide precise control.

Figure 3: Illustration of the 6 versatile operating modes: Wood Mode (0-1500 RPM), Bolt Mode (0-3000 RPM), Thick Steel Plate Mode (0-3000 RPM), Precision Drive (0-800 RPM), Normal Impact (0-1800 RPM), and High Speed Impact (0-3000 RPM). Instructions for activating and changing modes are also shown.
3. Control endavant/enrere
The forward/reverse control switch allows you to change the direction of rotation for driving or loosening screws. A central position locks the trigger to prevent accidental starting.

Figure 4: Visual representation of the forward driving, lock (avoid accidental starting), and reverse loosening screw functions of the impact driver.
4. Llum de treball LED
The built-in LED worklight illuminates your work area, providing better visibility in low-light conditions. It activates automatically when the trigger is pressed.

Figure 5: The built-in LED work light helps illuminate the work area for improved visibility in dark or low-light conditions.
5. Clip de cinturó
A removable belt clip is included for convenient carrying and easy access to the tool while working.

Figure 6: The removable belt clip provides easy and hands-free access to the impact driver during use.
Manteniment
Un manteniment regular garanteix la longevitat i el rendiment òptim del vostre atornillador d'impacte.
- Neteja: Mantingueu les obertures de ventilació de l'eina netes i lliures de residus. Utilitzeu una esponja suau iamp drap per netejar la carcassa. No utilitzeu dissolvents.
- Cura de la bateria: Guardeu les piles en un lloc fresc i sec, allunyat de la llum solar directa. No emmagatzemeu les piles completament descarregades durant períodes prolongats.
- Inspecció: Periodically inspect the tool for any damage, loose screws, or worn parts. Contact customer service for repairs if necessary.
Resolució de problemes
If you encounter issues with your Litheli Impact Driver, refer to the following common problems and solutions:
- L'eina no s'inicia: Ensure the battery is fully charged and properly inserted. Check the forward/reverse switch is not in the locked (middle) position.
- Reduced power/runtime: The battery may need recharging or replacement if it's old. Ensure the correct operating mode is selected for the task.
- Sobreescalfament: Allow the tool to cool down if it becomes excessively hot. Avoid continuous heavy-duty use without breaks.
For persistent issues, please contact Litheli Customer Service.
Especificacions
| Especificació | Valor |
|---|---|
| Fabricant | Litheli |
| Número de part | U20QZ00-0A120 |
| Número de model de l'article | U20 Brushless Impact Driver |
| Voltage | 20.0 V |
| Max Torque | 2035 in-lbs (230 Newton Meters) |
| Velocitat de rotació màxima | 3000 RPM |
| Impactes per minut (IPM) | Fins a 3500 IPM |
| Mida del mandril | 1/4 inch Hex (0.25 Inches) |
| Font d'alimentació | Funciona amb bateria |
| Tipus de bateria | Ió de liti |
| Capacitat de la bateria | 2000 mAh (2.0Ah) |
| Pes de l'article | 1.87 kg |
| Dimensions del producte | 13.7 L x 9.9 W x 24.9 H centímetres |
| Característiques especials | Brushless Motor, Cordless, LED Worklight |
Informació de seguretat
Seguiu sempre les precaucions de seguretat bàsiques quan utilitzeu eines elèctriques per reduir el risc d'incendi, descàrrega elèctrica i lesions personals.
- Utilitzeu equips de protecció personal adequats, inclosa protecció ocular i auditiva.
- Mantingueu la vostra zona de treball neta i ben il·luminada. Les zones desordenades o fosques conviden a accidents.
- No feu servir eines elèctriques en atmosferes explosives, com ara en presència de líquids, gasos o pols inflamables.
- Mantingueu els nens i els espectadors allunyats mentre feu servir una eina elèctrica. Les distraccions poden fer que perdis el control.
- Eviteu l'arrencada accidental. Assegureu-vos que l'interruptor estigui en la posició d'apagada abans de connectar la bateria, agafar o transportar l'eina.
- Feu servir l'eina correcta per a la vostra aplicació. No forceu l'eina.
Garantia i Suport
For warranty information, product support, or to purchase replacement parts, please visit the official Litheli website or contact Litheli Customer Service directly. Keep your purchase receipt as proof of purchase.





