1. Sarrera
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. Ezaugarri nagusiak
- Eramangarritasun hobetua: 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.
- Edukiera handia: Equipped with a 20,000mAh battery, providing extended power for smartphones, tablets, headlamps, and other compatible devices.
- Eraikuntza iraunkorra: 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.
- Dual USB-C Ports: Offers simultaneous output from two USB-C ports, with up to 18W input and a maximum output of 22.5W.
- Transmisio bidezko karga: Allows charging of the power bank and connected devices concurrently.
- Protokolo anitzeko bateragarritasuna: Supports popular fast charging protocols including QC, PD, FCP, and SCP for efficient device charging.
- Korronte baxuko modua: Capable of charging low-current devices such as wireless headphones and wearables (minimum output: 60mA).
- Bidaiatzeko prest: Certified for airline travel and features an IPX5 water resistance rating, suitable for various weather conditions.
3. Produktua amaitu daview
Familiarize yourself with the components of your Nitecore NB20000 Gen III Power Bank.

- USB-C Ports (IN/OUT1, IN/OUT2): Bai power bank-a kargatzeko bai kanpoko gailuak kargatzeko erabiltzen da.
- Pizteko botoia: Activates the power bank and checks the battery level.
- LED adierazleak: Four blue LED lights display the current power level and charging status.
4. Initial Setup and Charging the Power Bank
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.
- Konektatu kablearen beste muturra USB egokitzaile bateragarri batera (ez dago barne).
- 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. Funtzionamendu-argibideak
5.1 Kanpoko gailuak kargatzea

- Connect your device's charging cable to one of the USB-C ports (IN/OUT1 or IN/OUT2) on the power bank.
- Konektatu kablearen beste muturra zure gailura.
- The power bank will automatically begin charging your device. The LED indicators will show the remaining power level.
The NB20000 Gen III can output up to 22.5W and supports various fast charging protocols for efficient charging.
5.2 Pasabideko kargatzea
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.
- Both the power bank and your device will charge simultaneously.
5.3 Korronte baxuko modua
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 adierazleak | Potentzia Maila |
|---|---|
| 4 Etengabe aktibatuta | %75 - %100 |
| 3 Etengabe aktibatuta | %50 - %75 |
| 2 Etengabe aktibatuta | %25 - %50 |
| 1 Etengabe aktibatuta | %10 - %25 |
| 1 keinuka | < 10% (Nearly depleted, recharge promptly) |
7. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Marka | Nitecore |
| Eredua | NB20000 Gen III |
| Bateria Edukiera | 20000 milioiamp Orduak (mAh) |
| Konektore mota | USB C mota |
| Sarrera | Up to 18W (USB-C) |
| Irteera | Max 22.5W (Dual USB-C) |
| Ezaugarri bereziak | Fast Charging, Slim Design, IPX5 Water Resistance, Low Current Mode |
| liburukiatage | 3.6V (Nominala) |
| Energia-dentsitatea | 247mWh/g |
8. Mantentzea
8.1 Garbiketa
Wipe the power bank with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals.
8.2 Biltegiratzea
Gorde bateria eramangarria leku fresko eta lehor batean, eguzki-argitik eta muturreko tenperaturetatik babestuta. Epe luzerako biltegiratzerako, gomendagarria da bateria eramangarria % 50-75 inguru kargatzea hiru hilabetero, bateriaren osasuna mantentzeko.
9. Segurtasun informazioa
- Do not expose the power bank to water, fire, or extreme temperatures.
- Saihestu gailua erortzea, zulatzea edo desmuntatzea.
- Mantendu haurren eskura.
- Erabili kargatzeko kable eta egokitzaile bateragarriak soilik.
- If the power bank swells, emits smoke, or shows other abnormalities, discontinue use immediately.
- Tokiko araudien arabera bota bateria eramangarria arduraz.
10. Arazoak
10.1 Bateriaren kargagailua ez da kargatzen
- Ziurtatu kargatzeko kablea ondo konektatuta dagoela bai bateria eramangarrira bai energia-egokitzailera.
- Egiaztatu korronte-egokitzailea behar bezala funtzionatzen duela eta korronte-iturri bizi batera konektatuta dagoela.
- Probatu beste USB-C kable edo korronte egokitzaile batekin.
10.2 Gailua ez da kargatzen bateriatik
- Ziurtatu bateria eramangarriak nahikoa karga duela (egiaztatu LED adierazleak).
- Egiaztatu kargatzeko kablea ondo konektatuta dagoela bai bateria eramangarrira bai zure gailura.
- 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. Bermea eta Laguntza
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Nitecore website. You can also find more information at the Nitecore Store on Amazon.





