Here are the specifications for the Acer laptop adapter you described:
- **Brand:** Acer
- **Power Output:** Not specified (It seems to be missing)
- **Voltage:** 19 volts (19V)
- **Current:** 2.15 amps (2.15A)
- **Connector Size:** 5.5mm x 1.7mm x 12mm (outer diameter x inner diameter x length)
It's unusual that the power output (wattage) is not specified. Typically, the power output is crucial information for determining compatibility and ensuring sufficient power supply to the laptop.
If you're looking for a replacement adapter, it's essential to ensure that the adapter provides the necessary power output required by your Acer laptop. You can usually find this information in your laptop's user manual or by checking the label on your current adapter.
When purchasing a replacement adapter, make sure to verify compatibility with your specific Acer laptop model and ensure it meets safety standards. If the power output is missing, consider reaching out to Acer or a reputable retailer to find a suitable replacement.