Super Power Supply AC / DC Laptop Adapter Charger Cord for Acer Aspire One D257 D255 D255e D250 / 722 / Happy 2 / Aohappy / Ao722 Ao532h Ao522 Aod257 Aod255 Emachines Em250 Em350 Netbook Notebook Battery Plug Input: 110-220V Output: 19V 2.1A 40W Warranty: 1 Year Super Power Supply are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply