Output DC connector:4pcs, detachable（4.0x1.7mm,5.5x2.5mm,7.9x5.5mm,Lenovo U）. Replace Part Number ： ( Tip size：Lenovo U). 888014197 888014183; Lenovo 300-17ISK B40-80 B50-30 B50-45 B50-70 B50-80 G40-80 G50-30 G50-45 G50-70 G50-80 G70-35 G70-80 S21e-20 U31-70 V110-15ISK V310-14ISK.
