Super Power Supply AC/DC Laptop Charger Adapter for Samsung NP930X5J-S01US, NP940X3G, NP940X3G-K02UK, NP940X3G-K04US, NP940X3G-K06US, NP940X3G-S03US, NP940X5J-S01US, NP-E3520-S01DE, NP-X520 Input: 110-220V Output: 19V 2.1A 40W Warranty: 1 Year Super Power Supply products are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply