This dedicated power adapter is perfect for Lenovo and IBM laptops, offering a 20V, 3.52A output with a 7.9*5.5+pin connector. Designed to provide reliability, it is a great choice for home or office use as a primary or backup power source. **Key Features:** - **High Efficiency:** Ensures low energy consumption while maintaining high performance. - **Complete Set:** Includes power adapter, power cable, and cable organizer strap for custom length adjustment. - **Compatibility:** Ideal for various situations such as work, study, gaming, or traveling. ### Important Considerations: - **Output Power (Watts):** Minimum value to match or exceed the existing adapter for less heat and stress. - **Current (Amps):** Should be equal to or exceed the original specification for optimal operation. - **Voltage (Volts):** Must be precisely matched, with a tolerance of +/- 0.5V. - **Connector:** Identical to the original, with exact inner and outer diameter specifications. ### Benefits of Choosing the Right Adapter: - **Reliability:** Ensures stable and uninterrupted laptop operation. - **Safety:** Reduces the risk of overheating or battery damage. - **Performance:** Guarantees sufficient power for effective laptop performance. - **Battery Life:** Provides the correct charge cycles, extending battery life. - **Energy Efficiency:** Reduces energy use and associated costs. ### Safety Features: Invest in quality with the Qoltec brand adapter, which includes safeguards against: - **Voltage Spikes:** Protection against over- and under-voltage. - **Overload:** Guards against exceeding power line capacity. - **Short Circuit:** Prevents circuit malfunctions. - **Thermal Protection:** Shields against overheating damage.