Key Features and Specifications of a 45W Replacement AC Adapter:
1. Power Output:
- 45W (Wattage): This adapter provides 45 watts of power, suitable for devices with low to mid-range power requirements. Devices such as Chromebooks, ultrabooks, and smaller laptops typically require around 45W of power to charge and operate efficiently.
2. Input Voltage:
- 100V-240V AC: The adapter accepts a wide input voltage range of 100-240V AC, making it usable in different countries worldwide (with the correct plug adapter).
3. Output Voltage:
- 12V-20V DC (depending on device and model): The output voltage will vary depending on the specific device. Common output voltages for 45W adapters are 12V, 15V, and 19V. It’s crucial to ensure that the output voltage matches your device’s requirements.
4. Output Current:
- 2.25A to 3A: The output current varies, but typically a 45W adapter provides an output of between 2.25A and 3A. This is the current that flows into your device when charging.
5. Connector Type:
- DC Barrel Connector or USB-C: Depending on the model, the 45W adapter may use a DC barrel connector, a USB-C connector, or even a proprietary charging port for specific brands like HP, Lenovo, or Dell. Always ensure you check which connector your device requires before purchasing.
6. Safety Features:
- Overcharge Protection: Protects your device from overcharging.
- Short Circuit Protection: Safeguards the adapter from potential short circuits.
- Overcurrent Protection: Prevents current from exceeding safe levels, protecting both the charger and your device.
- Temperature Control: Ensures the charger operates within safe temperature limits, reducing the risk of overheating.
7. Compact & Lightweight:
- Portability: These adapters are typically compact and lightweight, making them easy to carry around in a laptop bag or backpack for travel or work on-the-go.
8. Energy-Efficient:
- Many modern adapters are designed with energy efficiency in mind, consuming less power when idle and delivering consistent power while charging your device.
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