The "ACER 19V 4.74A" laptop adapter is designed to provide power to ACER laptops that require a 19-volt power supply with a current rating of 4.74 amps. Here are some additional details:
1. **Connector Size**: The adapter features a round connector with dimensions of 5.5mm x 1.7mm. This connector size is compatible with ACER laptops that use this specific configuration.
2. **Compatibility**: The adapter is compatible with ACER laptops that require a 19-volt power supply and have a round-shaped charging port with dimensions matching the connector size mentioned above.
3. **Voltage and Amperage**: The adapter provides an output voltage of 19 volts (19V) and can deliver a current of up to 4.74 amps (4.74A). These specifications ensure that the adapter can supply the necessary power to charge the laptop battery and operate the device.
4. **Usage**: The adapter is intended for use with ACER laptops that require this specific voltage, current, and connector size. It can be used as a replacement for a lost or damaged adapter or as a spare charger for convenient charging in multiple locations.
5. **Safety Features**: The adapter may include built-in safety features such as overvoltage protection, overcurrent protection, and short circuit protection to ensure the safety of the laptop and the user during charging.
6. **Certifications**: It may be certified by ACER or other relevant authorities to meet safety and compatibility standards for use with ACER laptops.
If you have a specific ACER laptop model and need further assistance or compatibility verification, you may provide the laptop model number, and I can help you verify if this adapter is suitable for your device.