This high-quality 45W charger, compatible with Dell laptops, is equipped with a **ferrite filter** and exceptional **protection features** safeguarding against overvoltage, overheating, overloading, and overcharging. Perfect for the most **demanding users**, it ensures stress-free and comfortable operation. The charger's quality is evidenced by certifications: CE, ROHS, and FCC, along with rigorous quality control to prevent defects. **Top Quality Features:** - **Temperature Resistance:** The influence of high and low temperatures on the protection circuits and electrical parameters of the charger is tested. - **Electrical Testing:** Ensures correct electrical connections between individual components of the charger. - **Short Circuit and Overvoltage Testing:** Assesses the response of the charger's protection circuits to a short circuit or sudden voltage surge simulated by a high-voltage pulse at the charger input. - **Final Test:** The charger's output voltage level is tested under an hour of continuous load. **Includes:** Power cord, warranty card, and user manual. **How to Select the Right Charger:** - DC power parameters are generally indicated on a sticker under the laptop labeled as INPUT. - The charger's **voltage (V)** should match the value on the laptop. - The **current (A)** should be equal to or higher than the laptop's requirement, indicating the maximum current allowed for the charger; the laptop decides the load. - **Power (W)** is the result of voltage multiplied by current. - **Plug shape and size** should be compared with the offered item photo and the plug dimensions provided in the description; you can also check with the charger manufacturer's database.