1. Acabatview
This manual provides instructions for the Baseus 20000mAh 45W Portable Charger, Model E00311. This compact power bank features a 20,000mAh capacity, 45W fast charging capabilities, and dual built-in USB-C cables for convenient power delivery to various devices. It is designed for portability and includes multiple safety features to ensure reliable operation.

Image 1.1: The Baseus 20000mAh 45W Portable Charger, showcasing el seu disseny compacte.

Image 1.2: The power bank's compact dimensions (4.3 x 2.6 x 1.2 inches) and integrated USB-C cables.
2. Configuració
2.1 Càrrega inicial del banc d'energia extern
Before first use, fully charge the power bank. Connect the built-in USB-C1 cable or an external USB-C cable to a compatible 30W (or higher) USB-C power adapter. The digital display will show the charging progress. A full charge ensures optimal performance.

Image 2.1: Recharging the power bank using its built-in USB-C cable and a wall adapter.
3. Instruccions de funcionament
3.1 Càrrega dels vostres dispositius
The power bank supports charging up to four devices simultaneously using its various output options:
- Built-in USB-C1 Cable: Provides up to 45W output for fast charging compatible devices.
- Built-in USB-C2 Cable: Provides up to 45W output for fast charging compatible devices.
- Port USB-C: Offers up to 45W output for devices requiring a USB-C connection.
- Port USB-A: Delivers up to 33W output for devices compatible with USB-A.
Simply connect your device to the appropriate port or built-in cable. The power bank will automatically begin charging.

Image 3.1: The power bank simultaneously charging a tablet, two smartphones, and wireless earbuds.

Image 3.2: Demonstrating 45W high-speed charging, capable of charging an iPhone 17 Pro to 67% and a Samsung S25 Ultra to 70% in 30 minutes.
3.2 Pantalla digital
La pantalla digital integrada mostra el percentatge restant de la bateriatage of the power bank and the current charging wattage. This allows for real-time monitoring of power levels and charging speed.
4. Informació de seguretat
The Baseus 20000mAh 45W Portable Charger incorporates multiple safety features to protect both the device and your connected electronics:
- Control de temperatura NTC: Built-in NTC sensors monitor temperature 300 times per minute to prevent overheating during charging and discharging.
- Protecció contra sobreintensitat: Mesures de seguretat contra el flux excessiu de corrent.
- Overvoltage Protecció: Protegeix contra el volumtage pics.
- Protecció de sobredescàrrega: Prevents battery damage from complete discharge.
- Protecció de sobrecàrrega: Atura la càrrega un cop la bateria està plena per evitar la sobrecàrrega.
- Protecció contra curtcircuits: Talla automàticament l'alimentació en cas de curtcircuit.
- Protecció de temperatures extremes: Operates safely within specified temperature ranges.
This power bank is CCC Certified and airline-approved for travel, adhering to safety standards for portable electronic devices.

Image 4.1: Visual representation of the NTC temperature control and comprehensive safety protections.
5. Manteniment
To ensure the longevity and optimal performance of your Baseus portable charger, follow these maintenance guidelines:
- Emmagatzematge: Guardeu el banc d'energia en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Neteja: Feu servir un drap suau i sec per netejar l'exterior del banc d'energia. Eviteu utilitzar productes químics agressius o materials abrasius.
- Eviteu les gotes: Protegiu el dispositiu de caigudes i impactes, que poden danyar els components interns.
- Ús habitual: For best battery health, use and recharge the power bank periodically, even if not used frequently.
- Exposició a l'aigua: No exposeu el banc d'energia a aigua o altres líquids.
6. Solució De Problemes
If you encounter issues with your power bank, refer to the following table for common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| El banc d'energia no es carrega | Low battery; Faulty charging cable/adapter; Loose connection | Ensure power bank is connected to a working power source. Try a different cable or adapter. Check all connections. |
| El dispositiu no es carrega des del banc d'energia | Power bank battery depleted; Faulty device cable; Incompatible device; Loose connection | Recharge the power bank. Try a different charging cable. Ensure your device is compatible. Check all connections. |
| Càrrega lenta | Using a low-power adapter/cable; Multiple devices charging; Device not supporting fast charge | Use a 30W or higher power adapter for the power bank. Ensure your device and cable support fast charging. Charging multiple devices may reduce individual charging speeds. |
| La pantalla digital no funciona | Power bank off; Internal fault | Premeu el botó d'engegada per activar la pantalla. Si el problema persisteix, poseu-vos en contacte amb l'atenció al client. |
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | E00311 |
| Marca | Baseus |
| Capacitat de la bateria | 20000 mAh |
| Tipus de pila de bateria | Polímer de liti |
| Potència de sortida màxima | 45W |
| Input (USB-C1 Cable / USB-C Port) | Màxim 30W |
| Output (USB-C1 Cable / USB-C2 Cable / USB-C Port) | Màxim 45W |
| Sortida (port USB-A) | Màxim 33W |
| Dimensions (L x W x Thickness) | 4.3 x 2.6 x 1.2 polzades (10.9 x 6.6 x 3.0 cm) |
| Pes | 12.8 oz (363g) |
| Característiques especials | Built-in Dual USB-C Cables, CCC Certified, Smart Digital Display, NTC Temperature Control, Multi-Protection Safety System |
| Dispositius compatibles | Smartphones (iPhone, Samsung, Google Pixel), Tablets (iPad), Laptops (MacBook, Chromebook), Earbuds, Smartwatches, Gaming Consoles (Steam Deck, Rog Ally) |
8. Garantia i Suport
8.1 Informació de la garantia
This Baseus portable charger comes with a 2 any de garantia des de la data de compra. Aquesta garantia cobreix els defectes de fabricació i els problemes derivats de l'ús normal. No cobreix els danys causats per un mal ús, accidents, modificacions no autoritzades o desastres naturals.
8.2 Atenció al client
For technical assistance, warranty claims, or any questions regarding your Baseus product, please visit the official Baseus website or contact their customer support team through the contact information provided on their website or product packaging. Please have your model number (E00311) and proof of purchase ready when contacting support.