1. Einleitung
The LiTHELi U20 Super Battery is a high-capacity 20V 4.0Ah lithium-ion battery pack designed for versatile power needs. With a 20000mAh capacity and a 45W USB-C output, it serves as both a power source for LiTHELi U20 series tools and a portable power bank for various electronic devices, including laptops, smartphones, tablets, and drones. This manual provides important information for the safe and efficient use of your battery.

Figure 1: LiTHELi U20 Super Battery 20V 4.0Ah. This image displays the compact and sleek design of the LiTHELi U20 Super Battery.
2. Sicherheitshinweise
Read and understand all safety warnings and instructions before using this product. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
- Laden: Only use the specified charging methods and chargers. Do not attempt to charge the battery with damaged or incompatible chargers.
- Temperatur: Do not expose the battery to extreme temperatures (below -20°C or above 55°C). Store in a cool, dry place away from direct sunlight.
- Schaden: Verwenden Sie keine beschädigten oder veränderten Batterien. Beschädigte Batterien können unvorhersehbares Verhalten zeigen, was zu Bränden, Explosionen oder Verletzungsgefahr führen kann.
- Wassereinwirkung: Do not immerse the battery in water or expose it to rain or wet conditions.
- Auswirkungen: Do not drop, hit, or subject the battery to strong impacts.
- Demontage: Versuchen Sie nicht, den Akku zu zerlegen, zu öffnen oder zu warten.
- Entsorgung: Dispose of batteries properly according to local regulations. Do not dispose of in household waste or by incineration.

Figure 2: Multi-Protection Technology. This image illustrates the internal structure of the battery and highlights its multiple protection features, including overheat, short circuit, over voltage, over current, over discharge, and over charge protection.
3. Einrichtung
3.1 Erstaufladung
Before first use, fully charge the LiTHELi U20 Super Battery. The battery features an upgraded two-way USB-C port for convenient charging.
- Take out the charging cable (USB-C to USB-C or USB-A to USB-C, depending on your charger).
- Insert the charging cable into the Type-C port of the battery.
- Connect the other end of the cable to a compatible power adapter (e.g., a 45W or 65W USB-C charger, not included).
- The battery's indicator lights will show the charging status. A full charge can be achieved in approximately 1-2 hours depending on the charger's wattage.

Figure 3: Battery Charging Steps. This image illustrates the three steps for charging the LiTHELi U20 Super Battery using a USB-C cable and a power adapter.
3.2 Batteriestand prüfen
Press the power button on the battery to check the current charge level via the LED indicators.
4. Bedienungsanleitung
4.1 Powering LiTHELi U20 Tools
The U20 Super Battery is compatible with all LiTHELi U20 series tools. To power a tool:
- Align the battery with the battery slot on your LiTHELi U20 tool.
- Schieben Sie die Batterie in den Schlitz, bis sie hörbar einrastet.
- Zum Entnehmen drücken Sie den Batterieentriegelungsknopf (sofern vorhanden) und schieben die Batterie heraus.

Figure 4: Compatible with LiTHELi U20 Tools. This image displays the U20 Super Battery alongside a wide range of compatible LiTHELi U20 power tools, including lawnmowers, trimmers, and blowers.
4.2 Laden externer Geräte (Powerbank-Funktion)
The U20 Super Battery can charge various electronic devices via its 45W USB-C output.
- Connect your device (laptop, smartphone, tablet, drone, etc.) to the battery's USB-C port using a compatible USB-C cable.
- The battery will automatically begin charging your device.
- The battery can recharge a laptop up to 0.8 times, a smartphone up to 1.8 times, or a tablet up to 1.2 times, depending on the device's battery capacity.

Figure 5: 45W Fast Charging for Devices. This image shows the LiTHELi U20 Super Battery charging a smartphone and a drone simultaneously, highlighting its 45W fast charging capability.
4.3 Air Travel Compatibility
The U20 Super Battery is designed to be air travel friendly. Always check with your airline's specific regulations regarding portable power banks before traveling.

Figure 6: Universal Compatibility and Air Travel Friendly. This image shows the battery being held in an airplane cabin, illustrating its portability and compatibility with various devices like iPhones, iPads, Apple Watches, and AirPods.
5. Wartung
5.1 Speicherung
- Lagern Sie die Batterie an einem kühlen, trockenen Ort, fern von direkter Sonneneinstrahlung und Feuchtigkeit.
- Für die Langzeitlagerung sollte der Akku auf etwa 50-60% seiner Kapazität geladen werden.
- Avoid storing the battery in temperatures below -20°C or above 55°C.
5.2 Reinigung
- Reinigen Sie die Batterie.asinmit einem weichen, trockenen Tuch abwischen.
- Verwenden Sie keine aggressiven Chemikalien oder Scheuermittel.
- Ensure charging ports are free from dust and debris.
6. Fehlerbehebung
6.1 Akku wird nicht geladen
- Kabel überprüfen: Ensure the USB-C charging cable is securely connected to both the battery and the power adapter. Try a different cable.
- Check Adapter: Verify that the power adapter is functioning correctly and provides sufficient wattage (e.g., 45W or higher).
- Temperatur: If the battery is too hot or too cold, it may not charge. Allow it to return to room temperature.
6.2 Device Not Charging from Battery
- Batteriestand prüfen: Ensure the U20 Super Battery has sufficient charge.
- Kabel überprüfen: Use a compatible and functional USB-C cable for your device.
- Gerätekompatibilität: Confirm your device is compatible with USB-C charging and its power requirements do not exceed the battery's 45W output.
6.3 Battery Not Powering U20 Tool
- Sichere Verbindung: Ensure the battery is fully inserted and locked into the tool's battery slot.
- Batterieladung: Verify the battery has enough charge to operate the tool.
- Werkzeugzustand: Check if the tool itself is functioning correctly with another battery (if available).
7. Spezifikationen
| Besonderheit | Spezifikation |
|---|---|
| Modell | U20 Super Battery 20V 4.0Ah |
| Akku-Typ | Lithium-Ionen |
| Bandtage | 20 V |
| Kapazität | 4.0 Ah (20000 mAh) |
| USB-C-Ausgang | Bis zu 45 W |
| Betriebstemperatur | -20°C bis 55°C |
| Hersteller | Litheli |
| ASIN | B0FFMQGSDR |
8. Garantie und Support
LiTHELi products are designed for reliability and performance. For specific warranty details and support, please refer to the warranty card included with your product or visit the official LiTHELi website. If you encounter any issues or have questions regarding your U20 Super Battery, please contact LiTHELi customer service for assistance.
Kontaktinformationen: Please refer to the contact details provided on the product packaging or the official LiTHELi webWebsite für die aktuellsten Supportinformationen.





