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 and 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>                                                            Specifications             Condition     New    <br> Input     100--240V， 50-60Hz    <br> Output     20V 2A         <br> Power     40 W    <br> Weight     6.77oz / 192g    <br> Tip Diameter     (0.01 x 0.22)" / (2.5 x 5.5)mm (Inner Dia. x Outside Dia.)    <br> Color     Black    <br> Compatible Part Number     41R4441， 41R4445， ADP-40MH BD， 0225A2040，45K2200     <br>                                                             Package Includes            1 x AC Adapter<br>1 x Power Cable<br>                                                            Extra Info            Compatible Laptop Models:<br>Lenovo IdeaPad S9 series<br>Lenovo IdeaPad S9e series<br>Lenovo IdeaPad S10 series<br>Lenovo IdeaPad S10 - 423135U (Black)<br>Lenovo IdeaPad S10 - 423134U (White)<br>Lenovo IdeaPad S10 - 423132U (Pink)<br>Lenovo IdeaPad S10 - 423137U (Blue)<br>Lenovo IdeaPad S10 - 423133U (Red)<br>Lenovo IdeaPad S10 - 42312CU (White)<br>Lenovo IdeaPad S10 - 42312DU (Red)<br>Lenovo IdeaPad S10 - 42312AU (Pink)<br>Lenovo IdeaPad S10e Series<br>Lenovo IdeaPad S10-2， S10-3， S10-3T<br>Lenovo IdeaPad S12 Series<br>MSI Wind U115 Hybrid series<br>MSI Wind U90 U100 U110 U120 U120H U123 U123t U130 U210<br>LG X110 X120 X130<br>ADVENT 4211 4212 4213 4214 4480 4489 4490<br>Medion Akoya Mini E1210 Netbook<br>Medion Akoya Mini E 1210 Series <br>Toshiba Mini Notebook NB205， NB255， NB305 and NB505 series