AC20-45K Genuine Lenovo AC adapter 20V 4.5A 7.9mm Plug 40Y7659; 40Y7660 92P1156 - TEC-AC-12S0-NB02825 40Y7659 40Y7660 40Y7661 40Y7662 40Y7663 40Y7664 40Y7665 40Y7666 40Y7667 92P1109 92P1111 92P1153 92P1155 92P1157 92P1159 93P5026 Genuine Lenovo AC adapter 20V 4.5A 7.9mm Plug 40Y7659; 40Y7660 92P1156 - TEC-AC-12S0-NB02825