The Dell 65W 4.5mm power adapter (model 450-ALNZ) is a reliable power supply solution specifically designed for compatible Dell laptop models. This adapter delivers 65 watts of power with a 4.5 mm center pin connector, providing stable and efficient charging performance. Its compact and lightweight design, weighing approximately 200 grams and measuring 10.5 cm x 5.2 cm x 2.8 cm, makes it highly portable for business trips or daily commutes. Constructed with durable materials and robust internal components, this power adapter maintains a consistent voltage output and features built-in protection against overvoltage, overheating, and short circuits. The 1.8-meter long power cable allows for flexible positioning, while the international input voltage range of 100-240V ensures compatibility in various regions. The adapter operates within a temperature range of 0°C to 40°C and is characterized by efficient power conversion with minimal energy loss during operation. The matte black finish offers scratch resistance and maintains its appearance during long-term use. This replacement power adapter meets the specifications of original Dell adapters and is designed for reliable long-term performance with compatible laptop systems that require 65W power input via the 4.5 mm connector.