This is an AC adapter made by eMachines. The main specifications are as follows: Model: LSE0202D1890 Input: 100-240V~, 50/60Hz 1.5A Output: 18.5V 4.9A Manufacturer: LI SHIN INTERNATIONAL ENTERPRISE CORP. Operation confirmed *Please refrain from purchasing if you are overly concerned about minor details. *Please refrain from purchasing if you are unable to proceed with the transaction smoothly. *Please check the specifications on the web, etc., and confirm the condition in the images. *Please be sure to check the profile as well. *For bulk purchases and repeat purchases, a slight discount may be possible. Please comment. *Theft of all or part of the images and descriptions in the product description is prohibited.