The power adapter is an invaluable tool for a laptop to get power supply safely. Hence， if the original adapter for your laptop is broken or malfunctioned， you should immediately get a new one to power on your computer and this adapter would be the best replacement. With latest technology， this adapter is specially designed with built-in protection to protect your computer against unexpected power surge damages. Besides， it also features stable voltage and noise reduction. Overall， this power adapter is of high efficiency and reliability.                                    Features                Low interference & noise<br>    Advanced technology and high quality<br>    High efficiency and reliability<br>    Short circuit and over voltage protection<br>    A durable and well-made Laptop Power Adapter guarantees long term use<br>    LED power-on indicator<br>                                                            Specifications                        Condition     New    <br>          Power Cable Type     US standard    <br>          Input     100-240V~2.4A， 50 / 60Hz    <br>          Output     19V~4.74A， 90W    <br>          Tip Diameter     3.0 x 5.5mm / 0.12" x 0.22" (R x r)    <br>          Color     Black    <br>          Gross Weight     14.39oz / 408g    <br>          Size     5.16" x 2.24" x 1.18" / 13.10 x 5.7 x 3cm (L x W x H)    <br>          Comptable Laptop Models     Samsung M50， M55    <br>          Compatible Part Number     Samsung AD-9019    <br>                                                             Package Includes                1 x Laptop AC Adapter for Samsung AD-9019-90W<br>    1 x Power Cord<br>