1. Introduktion
The Nitecore NB20000 Gen III is a high-capacity, lightweight portable power bank designed for reliable power on the go. This manual provides essential information for the safe and efficient operation of your device, including features, setup, usage, and maintenance.
2. Nøglefunktioner
- Forbedret portabilitet: The NB20000 Gen III is 13% shorter and significantly lighter than its predecessor, making it ideal for outdoor activities such as hiking, cycling, and climbing.
- Høj kapacitet: Equipped with a 20,000mAh battery, providing extended power for smartphones, tablets, headlamps, and other compatible devices.
- Holdbar konstruktion: Crafted from woven carbon fiber material with a carbon fiber reinforced polymer frame, ensuring lightweight strength and durability. Features four corner cushions for impact resistance and a secure grip.
- Dobbelte USB-C-porte: Offers simultaneous output from two USB-C ports, with up to 18W input and a maximum output of 22.5W.
- Pass-through-opladning: Allows charging of the power bank and connected devices concurrently.
- Multi-protokol kompatibilitet: Supports popular fast charging protocols including QC, PD, FCP, and SCP for efficient device charging.
- Lav strømtilstand: Capable of charging low-current devices such as wireless headphones and wearables (minimum output: 60mA).
- Rejseklar: Certified for airline travel and features an IPX5 water resistance rating, suitable for various weather conditions.
3. Produktet er slutview
Familiarize yourself with the components of your Nitecore NB20000 Gen III Power Bank.

- USB-C Ports (IN/OUT1, IN/OUT2): Bruges både til opladning af powerbanken og til opladning af eksterne enheder.
- Power knap: Aktiverer powerbanken og kontrollerer batteriniveauet.
- LED-indikatorer: Four blue LED lights display the current power level and charging status.
4. Første opsætning og opladning af powerbanken
Before first use, it is recommended to fully charge your NB20000 Gen III Power Bank.
- Connect a USB-C charging cable to either of the USB-C ports (IN/OUT1 or IN/OUT2) on the power bank.
- Tilslut den anden ende af kablet til en kompatibel USB-strømadapter (medfølger ikke).
- The LED indicators will illuminate and flash to show the charging progress. Once all four LEDs are constant-on, the power bank is fully charged.
The NB20000 Gen III supports up to 18W input for fast recharging.
5. Betjeningsvejledning
5.1 Opladning af eksterne enheder

- Connect your device's charging cable to one of the USB-C ports (IN/OUT1 or IN/OUT2) on the power bank.
- Tilslut den anden ende af kablet til din enhed.
- Powerbanken begynder automatisk at oplade din enhed. LED-indikatorerne viser det resterende strømniveau.
The NB20000 Gen III can output up to 22.5W and supports various fast charging protocols for efficient charging.
5.2 Pass-through-opladning
The power bank supports pass-through charging, allowing it to be recharged while simultaneously charging external devices.
- Connect the power bank to a power adapter for recharging (as described in Section 4).
- Connect your external device to the other available USB-C port on the power bank.
- Både powerbanken og din enhed oplades samtidigt.
5.3 Lavstrømstilstand
To charge low-current devices (e.g., wireless headphones, smartwatches) that may not be detected by standard charging modes:
- With the power bank on, press and hold the power button for approximately 2 seconds until the first LED indicator starts flashing. This indicates entry into low current mode.
- Connect your low-current device to the power bank.
- To exit low current mode, press and hold the power button again for approximately 2 seconds. The LED indicator will stop flashing.
6. Power Level Display
The four blue LED indicators provide a clear indication of the power bank's remaining battery level.

| LED-indikatorer | Effektniveau |
|---|---|
| 4 Konstant | 75% - 100% |
| 3 Konstant | 50% - 75% |
| 2 Konstant | 25% - 50% |
| 1 Konstant | 10% - 25% |
| 1 Blinker | < 10% (Nearly depleted, recharge promptly) |
7. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | Nitecore |
| Model | NB20000 Gen III |
| Batterikapacitet | 20000 mioamp Timer (mAh) |
| Connector Type | USB Type C |
| Input | Op til 18 W (USB-C) |
| Produktion | Max 22.5W (Dual USB-C) |
| Særlige funktioner | Fast Charging, Slim Design, IPX5 Water Resistance, Low Current Mode |
| Voltage | 3.6V (nominelt) |
| Energitæthed | 247mWh/g |
8. Vedligeholdelse
8.1 Rengøring
Wipe the power bank with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals.
8.2 Opbevaring
Opbevar powerbanken et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer. Ved langtidsopbevaring anbefales det at oplade powerbanken til cirka 50-75% hver tredje måned for at bevare batteriets sundhedstilstand.
9. Sikkerhedsoplysninger
- Udsæt ikke powerbanken for vand, ild eller ekstreme temperaturer.
- Undgå at tabe, gennembore eller skille enheden ad.
- Opbevares utilgængeligt for børn.
- Brug kun kompatible opladningskabler og adaptere.
- If the power bank swells, emits smoke, or shows other abnormalities, discontinue use immediately.
- Bortskaf powerbanken ansvarligt i henhold til lokale regler.
10. Fejlfinding
10.1 Powerbanken oplader ikke
- Sørg for, at opladningskablet er korrekt tilsluttet til både powerbanken og strømadapteren.
- Kontroller, at strømadapteren fungerer korrekt og er tilsluttet en aktiv strømkilde.
- Prøv et andet USB-C-kabel eller strømadapter.
10.2 Enhed oplades ikke fra powerbank
- Sørg for, at powerbanken har tilstrækkelig opladning (tjek LED-indikatorerne).
- Kontroller, at opladningskablet er korrekt tilsluttet til både powerbanken og din enhed.
- Try a different charging cable or USB-C port on the power bank.
- If charging a low-current device, ensure Low Current Mode is activated (refer to Section 5.3).
- Restart the power bank by pressing the power button.
11. Garanti og support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Nitecore webwebstedet. Du kan også finde mere information på Nitecore-butik på Amazon.





