Replacement 45W AC power adapter for various LENOVO Ideapad models including 100-14IBD 310-14IKB 320-14AST replaces GX20K11836 GX20K11837 GX20K11838 GX20K11839 GX20K11840 GX20K11841 GX20K11842 GX20K11843 GX20K11844 GX20K11845 Specs 19V 3.42A 65W