About this item Output: 19V 3.42A 65W / 19V 2.37A 45W / 19V 2.1A 40W, Input: 100-240V 50-60H 1.8A; Connector size: interior diameter: 1.7 mm; external diameter: 5.5 mm Compatible with various Acer Aspire series, including V3, V5, V7, V15, R3, R7, R11, R14, S3, E1, E3, E5, E11, E14, E15, ES1, M5, and many more. Also compatible with several Acer monitor chargers. 100% brand new, compatibility with the original product; package includes 1x AC adapter and 1x AC power cable. Dimensions: 6.8 x 4.9 x 1 inches.