Brand New Lenovo Ideapad 100 series adapter. Barrel PIN with dimension of 4.0mm x 1.7mm.
Lenovo IdeaPad 100-14IBY 100-15IBD 100-15IBY

-Adapter recharges the battery while the system is off, on, or in sleep mode
-Magnetic DC connector ensures your power cable will disconnect if it experiences undue strain and helps prevent fraying or weakening of the cables over time
-When the connection is secure, an LED located at the head of the DC connector will light; amber light lets you know it is charging; green light indicates a full charge
-AC cord is provided with the adapter for maximum cord length
-Clever design allows the DC cable to be wound neatly around itself for easy cable storage
-Compatible with MacBook and 13-inch MacBook Pro

Use an extra adapter for home or work. Apple’s new, innovative AC adapter is made specifically for your MacBook and 13″ MacBook Pro.

20V 2.25A 45W Power AC Adapter Charger
-Barrel PIN Type C