741727-001 - HP 45-Watts AC Adapter for HP Laptops

AC adapter is a type of external power supply enclosed in a case similar to an AC plug. Compatible with current, and legacy devices, the 4.5mm connector supports evolving smaller form factors, inclusive of earlier platform charging support with a 7.4mm connector. Advantages: Safety Heat reduction; Excess heat production reduces reliability and longevity of electronic components, and can cause sensitive circuits to malfunction. Electrical noise reduction Weight and size reduction; removing power components and the mains connection plug from equipment powered by rechargeable batteries greatly reduces the weight and size. Ease of replacement; power supplies are more prone to failures due to excess heat wastage, and exposure to power spikes. Thus external power supplies greatly reduces this risk Configuration versatility