1. Einleitung
Thank you for choosing the JUOVI 45W 20000mAh Portable Power Bank. This device is designed to provide reliable and fast charging for a wide range of electronic devices, including smartphones, tablets, and laptops. Please read this manual carefully before use to ensure proper operation and to maximize the lifespan of your power bank.
2. Produktmerkmale
- 45 W Hochgeschwindigkeitsladen: Delivers up to 45W output via the Type-C port, capable of charging compatible laptops and other high-power devices efficiently.
- 20000 mAh große Kapazität: Provides multiple charges for most smartphones (e.g., iPhone 15 up to 4 times) and can even provide a full charge for some laptops. Air-travel compatible.
- Bidirectional Fast Charging: The Type-C port supports up to 45W input, allowing the power bank to be fully recharged in approximately 2 hours. It also provides up to 45W output for connected devices.
- Aufladen mehrerer Geräte: Equipped with two USB Type-C ports and two USB Type-A ports, enabling simultaneous charging of up to four devices.
- Breite Kompatibilität: Supports various fast charge protocols including PD3.0, QC4.0, AFC, FCP, SCP, and PPS, making it compatible with a broad range of devices from low-current gadgets to laptops. Specifically supports Samsung Super Fast Charging 2.0 for compatible Galaxy devices.
- Digitaler Bildschirm: Eine integrierte Digitalanzeige zeigt den verbleibenden Akkustand in Prozent an.tage, providing clear status at a glance.
- Erweiterte Sicherheitsfunktionen: Incorporates an intelligent chip system and advanced laser welding for superior protection against overcharging, short circuits, and other potential hazards.
- Long Battery Lifespan: Designed to retain 90% of its battery capacity after 300 charge/discharge cycles.

Image: The JUOVI 45W Power Bank offers bidirectional fast charging and can charge laptops, unlike typical 20W power banks.

Image: Illustrates the massive 20000mAh capacity, capable of charging an iPhone 15 approximately 3.96 times, a MacBook 1.05 times, a Samsung S22 Ultra 2.6 times, and an iPad mini 3.83 times.

Image: The power bank adapts to multiple devices, supporting MacBooks, iPads, various mobile phones (iPhone, Samsung), Nintendo Switch, and Bluetooth earbuds/smartwatches.
3. Packungsinhalt
- JUOVI 45W 20000mAh Portable Power Bank (x1)
- Built-in Cables (x1)
- Benutzerhandbuch (x1)
4. Produktdiagramm

Bild: Vorderseite view of the power bank, illustrating the two USB Type-C ports (input/output) and two USB Type-A ports (output), along with the digital battery display.
- A. USB Type-C Ports (Input/Output): Used for charging the power bank or charging compatible devices.
- B. USB Type-A Ports (Output): Wird zum Laden kompatibler Geräte verwendet.
- C. Netzschalter: Drücken Sie diese Taste, um den Akkustand zu prüfen oder den Ladevorgang zu starten.
- D. Digitalanzeige: Zeigt den aktuellen Batterieprozentsatz antage.
5. Einrichtung: Aufladen der Powerbank
- Connect a USB Type-C charging cable to one of the power bank's Type-C ports.
- Connect the other end of the cable to a compatible 45W (or higher) USB power adapter (not included).
- The digital display will show the charging progress. A full charge from 0% takes approximately 2 hours with a 45W input.
- Once fully charged, the display will show 100%. Disconnect the power bank from the adapter.
6. Bedienung: Aufladen Ihrer Geräte
- Press the power button once to activate the power bank and check the battery level on the digital display.
- Connect your device to one of the power bank's output ports (USB Type-A or USB Type-C) using an appropriate charging cable.
- The power bank will automatically begin charging your device. For optimal fast charging, use the Type-C port with compatible devices.
- Sie können bis zu vier Geräte gleichzeitig aufladen.
- The power bank features an auto shut-off function to conserve power once charging is complete or if no device is connected.

Image: The power bank can charge four devices at once using its two Type-C and two USB-A ports.

Image: Demonstrates the versatility of the power bank, charging various devices including smartphones, laptops, and portable gaming consoles.
7. Wartung
- Bewahren Sie die Powerbank an einem kühlen, trockenen Ort fern von direkter Sonneneinstrahlung und extremen Temperaturen auf.
- Vermeiden Sie das Fallenlassen oder starke Stöße auf die Powerbank.
- Reinigen Sie die Außenseite mit einem weichen, trockenen Tuch. Verwenden Sie keine scharfen Chemikalien oder Scheuermittel.
- Um die Batterieleistung zu erhalten, sollte die Powerbank, wenn sie nicht regelmäßig benutzt wird, mindestens einmal alle drei Monate vollständig auf- und entladen werden.
8. Fehlerbehebung
- Powerbank lädt nicht: Ensure the charging cable is securely connected to both the power bank's Type-C input port and a functional power adapter. Verify the adapter provides sufficient wattage (45W empfohlen).
- Gerät lädt nicht über die Powerbank: Press the power button on the power bank to ensure it is active. Check that the charging cable is properly connected to both the power bank and your device. Try a different cable or port.
- Langsames Laden: Ensure your device and cable support fast charging protocols. For optimal speed, use the Type-C port. Some devices may limit charging speed if multiple devices are connected simultaneously.
- Digitalanzeige funktioniert nicht: If the display is blank, the power bank might be fully discharged. Try charging the power bank. If the issue persists, contact customer support.
9. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Marke | JUOVI |
| Modellname | J2621 |
| Batteriekapazität | 20000 Milliamp Std |
| Steckertyp | USB Typ C*2, USB Typ A*2 |
| Maximale Ausgangsleistung | 45 W (Typ-C-Einzelanschluss) |
| Maximale Eingangsleistung | 45W (Type-C port) |
| Akkuladezeit | 2 Hours (with 45W input) |
| Kompatible Geräte | Laptop, Smartphone, Smartwatch, Speaker, Tablet |
| Besondere Merkmale | Auto Shut-off, Digital Display, Fast Charging, Over Charging Protection, Short Circuit Protection |
| Batteriezellentyp | Lithium Polymer |
| Artikelgewicht | 392 Gramm |
| Item Dimensions (L x W x Th) | 5.4 Zoll L x 2.75 Zoll B x 1.04 Zoll T |
10. Sicherheitshinweise
- Die Powerbank darf weder Wasser, Feuchtigkeit noch hoher Luftfeuchtigkeit ausgesetzt werden.
- Avoid using or storing the power bank in environments with high temperatures (e.g., direct sunlight, inside a hot car).
- Die Powerbank darf nicht auseinandergenommen, durchstochen oder verändert werden.
- Außerhalb der Reichweite von Kindern aufbewahren.
- Verwenden Sie ausschließlich Original- oder zertifizierte Ladekabel und -adapter.
- If the power bank swells, emits an odor, or becomes excessively hot, discontinue use immediately and contact customer support.
- Entsorgen Sie die Powerbank gemäß den örtlichen Vorschriften für Elektronikschrott.
11. Garantie und Support
This JUOVI power bank comes with a 3 Jahr eingeschränkte Garantie from the date of purchase. The warranty covers manufacturing defects and workmanship under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact JUOVI customer service through the retailer where you purchased the product or visit the official JUOVI webWebsite für Kontaktinformationen.