1. Introducció
This manual provides essential information for the safe and efficient use of your ROMOSS 20000mAh Portable Charger, Model PAS20. Please read it thoroughly before first use and retain it for future reference.

Image 1.1: The ROMOSS 20000mAh Portable Charger. This image displays the compact black power bank with its LED digital display showing '100' and the ROMOSS logo. The input/output ports are visible on one end.
2. Producte acabatview
2.1 Característiques clau
- 20000 mAh d'alta capacitat: Ofereix múltiples càrregues per a diversos dispositius.
- Disseny compacte: Measures approximately 5.7 x 2.7 x 1.1 inches for portability.
- Precise LED Digital Display: Mostra el percentatge de bateriatage del 0% al 100%.
- 3 ports d'entrada: Recharge the power bank using Micro-USB, Lightning, or Type-C cables.
- 2 USB Output Ports: Charge two devices simultaneously at up to 2.1A.
- Protecció de seguretat: Built-in intelligent system protects against over-heat, over-charge, over-current, over-discharge, and short-circuit.
2.2 Components
The ROMOSS PAS20 features a streamlined design with clearly marked ports and an intuitive display.

Image 2.1: Dual USB Output Ports. This image shows the end of the power bank with two USB-A output ports, allowing two devices to be charged simultaneously. Two smartphones are connected and charging.

Image 2.2: Charging Capacity Examples. This image illustrates the approximate number of charges the power bank can provide for various devices, including iPhone 8 (8.2 charges), iPhone XR (5 charges), Samsung S10 (4.4 charges), and Nintendo Switch (2 charges).

Image 2.3: Charging a Nintendo Switch. A user is shown holding a Nintendo Switch while it is connected and charging from the ROMOSS power bank, demonstrating its compatibility with gaming devices.
3. Configuració
3.1 Càrrega inicial del banc d'energia extern
Before first use, it is recommended to fully charge your ROMOSS power bank. The power bank may not be fully charged upon initial receipt.
- Connect a compatible charging cable (Micro-USB, Lightning, or Type-C) to one of the input ports on the power bank.
- Connect the other end of the cable to a USB wall adapter (not included) or a powered USB port.
- The LED digital display will show the charging progress. It is fully charged when the display shows '100'.
Note: A charging cable is not included with the power bank.
4. Instruccions de funcionament
4.1 Càrrega dels vostres dispositius
The power bank features two USB-A output ports to charge your electronic devices.
- Connect your device's USB charging cable to one of the USB output ports on the power bank.
- Connecteu l’altre extrem del cable al dispositiu.
- The power bank will automatically begin charging your device. If it does not, press the power button on the side of the power bank.
- La pantalla LED mostrarà el percentatge de bateria restanttage del banc d'energia.
4.2 Comprovació del nivell de la bateria
To check the remaining battery level of the power bank, simply press the power button once. The LED digital display will illuminate and show the current percentage.

Image 4.1: Power Bank in Use. This image shows the ROMOSS power bank being held in a hand, connected to a smartphone via a charging cable, demonstrating its portable use.
5. Manteniment
- Mantingueu el banc d'energia allunyat de temperatures extremes, la llum solar directa i els líquids.
- Netegeu el dispositiu amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzemar en un lloc fresc i sec quan no s'utilitzi.
- If the power bank is not used for extended periods, charge it at least once every three months to maintain battery health.
6. Solució De Problemes
- El banc d'energia no es carrega: Ensure the charging cable is securely connected to both the power bank input port and the power source. Try a different cable or power adapter.
- El dispositiu no es carrega des del banc d'alimentació: Ensure the device's charging cable is securely connected to both the power bank output port and the device. Press the power button on the power bank to activate charging. Check if the power bank has sufficient charge.
- Càrrega lenta: Ensure you are using appropriate cables and adapters. Charging speed can vary depending on the device and cable quality.
- La pantalla LED no funciona: Press the power button. If it still doesn't light up, the power bank might be completely discharged or require service.
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | PAS20 |
| Capacitat de la bateria | 20000 milionsamp Hores (mAh) |
| Dimensions del producte | 5.73 x 1.17 x 2.75 polzades |
| Pes de l'article | 15.2 unces |
| Ports d'entrada | Micro USB, Lightning, Type-C |
| Ports de sortida | 2 x USB-A (2.1A max) |
| Característiques especials | Digital Display, Portable, Travel-friendly |
8. Informació de seguretat
Si us plau, observeu les següents pautes de seguretat per evitar lesions o danys al dispositiu:
- No desmunteu, modifiqueu ni repareu el dispositiu vosaltres mateixos.
- Do not expose the power bank to fire, water, or extreme temperatures.
- Eviteu deixar caure o sotmetre el dispositiu a forts impactes.
- Mantenir fora de l'abast dels nens.
- Utilitzeu només cables de càrrega i adaptadors compatibles.
- Si el banc d'energia s'infla, té fuites o emet una olor inusual, deixeu-ne d'utilitzar-lo immediatament.
- The power bank is not fully charged when first used; charge it fully before use.
- If the power bank is not recharging, press the power button or reinsert the cable to activate the charger.
9. Vídeo del producte
Mireu aquest vídeo oficial del producte per obtenir una visió generalview of the ROMOSS 20000mAh Portable Charger.
Video 9.1: ROMOSS 20000mAh Portable Phone Charger. This video provides a detailed visual demonstration of the power bank's features, including its compact size, LED display, multiple input/output ports, and charging capabilities for various devices.







