1. Produto rematadoview
The ELEGOO AC 100V-240V Converter Adapter is a regulated 9V 1A DC power supply designed for various electronic projects and devices. It features a US plug and a 5.5mm x 2.1mm barrel connector with a center-positive polarity. This adapter is certified by UL, FCC, and CE, ensuring safety and quality.

Image 1.1: The ELEGOO 9V 1A AC/DC Power Adapter, showing the US plug and barrel connector.
Características principais:
- Fully US Regulated Power Supply Adapter.
- Center-positive polarity (5.5mm x 2.1mm barrel connector).
- Automatically converts international voltages (100V-240V AC input).
- Provides up to 1A output at 9V DC.
- UL, FCC, CE certified for safety.
2. Compatibilidade
This power adapter is designed for devices requiring 9V DC power with a maximum current draw of 1000mA (1A) and a 5.5mm x 2.1mm center-positive barrel connector. It is compatible with:
- Arduino UNO R3
- Arduino Mega 2560
- Arduino 1280
- Arduino CCTV
- Other devices that require 9V and 1000mA DC power with a 5.5mm x 2.1mm center-positive plug.

Image 2.1: Visual representation of compatible and incompatible devices, highlighting the 5.5mm x 2.1mm connector size and center-positive polarity.
Nota importante: Este adaptador é NON adecuado para:
- Effects Pedals, Drum machines, DJ controllers, Piano keyboards, Label makers, and other equipment with negative-tip power ports.
- Devices that require minimal electromagnetic interference, such as radio sets.
- Devices requiring a different voltage, current, or connector size (e.g., 5.5mm x 2.5mm).

Image 2.2: Guide on how to select the correct power adapter by verifying voltage, current, and interface (connector size).

Image 2.3: Diagram illustrating the center-positive polarity of the barrel connector, where the inner pin is positive and the outer sleeve is negative.
3. Configuración e instalación
- Verify Device Requirements: Before connecting, ensure your device requires 9V DC power, draws no more than 1A, and uses a 5.5mm x 2.1mm center-positive barrel connector. Incorrect voltage, current, or polarity can damage your device.
- Conectar ao dispositivo: Insert the barrel connector of the ELEGOO power adapter into the DC input jack of your compatible device.
- Enchufe na toma de corrente: Insert the US plug of the power adapter into a standard AC 100V-240V wall outlet.
- Encender o dispositivo: Once connected, power on your device as per its own instructions.
The adapter is designed for simple plug-and-play operation. No additional configuration is typically required.
4. Instrucións de funcionamento
Once properly set up, the ELEGOO 9V 1A power adapter operates automatically. It provides a stable 9V DC output to your connected device. The adapter features a Multi-Protect safety system to ensure complete protection for both the adapter and your devices.

Imaxe 4.1: Interna view of the power adapter, illustrating the components responsible for its superior safety features like short circuit prevention and surge protection.
Características de seguridade:
- Prevención de curtocircuítos
- Estabilizador de corrente
- Control de temperatura
- Protección contra sobretensiones
5. Mantemento
To ensure the longevity and optimal performance of your ELEGOO power adapter, follow these simple maintenance guidelines:
- Manter limpo: Wipe the adapter with a dry, soft cloth. Avoid using liquid cleaners or solvents.
- Evitar danos físicos: Do not drop, bend, or expose the adapter to excessive force. Ensure the cable is not kinked or pinched.
- Almacenamento: Garde o adaptador nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas cando non o estea a usar.
- Desenchufe cando non estea en uso: For extended periods of non-use, unplug the adapter from both the wall outlet and the device.
6 Solución de problemas
If you encounter issues with your ELEGOO power adapter, refer to the following common troubleshooting steps:
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se acende. |
|
|
| Adapter gets unusually hot. |
|
|
| Connector does not fit. | Incorrect connector size. | Verify your device requires a 5.5mm x 2.1mm barrel connector. This adapter is not compatible with 5.5mm x 2.5mm or other sizes. |
If the problem persists after attempting these solutions, please contact ELEGOO customer support.
7. Especificacións
| Característica | Detalle |
|---|---|
| Marca | ELEGOO |
| Número de modelo | EL-CP-026 |
| Vol. De entradatage | CA 100V-240V |
| Vol. De saídatage | DC 9 V |
| Corrente de saída | 1 A (1000 mA) |
| Wattage | 15 vatios |
| Tipo de conector | Conector de barril |
| Tamaño do conector | 5.5 mm x 2.1 mm |
| Polaridade | Centro Positivo |
| Tipo de enchufe | Type A - US style (2 Pin) |
| Certificacións | UL, FCC, CE |
| Material | Plástico |
| Cor | Branco |

Image 7.1: Official certifications for the ELEGOO power adapter, including UL, TUV, and CE.
8. Garantía e soporte
Información da garantía:
This ELEGOO power adapter comes with a 6 meses de garantía from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or improper installation.
Atención ao cliente:
For technical assistance, warranty claims, or any questions regarding your ELEGOO product, please contact ELEGOO customer support through their official website or the platform where the product was purchased. Please have your model number (EL-CP-026) and purchase details ready when contacting support.
You can visit the official ELEGOO store for more information: ELEGOO Official Store