Acer Original OEM ac Adapter Charger for Acer Chromebook C731 and C740. 

Also is Compatible with the following  Acer Chromebook 11 R11 13 14 15 C720 C720P C740 CB3-111 CB3-131 CB3-132 

C730 C730E  Chromebook 11 N7 Serises C731 C731T C731-C8VE CB311-7H CB311-7HT N16Q13

FREE SHIPPING!!!! THIS IS ORIGINAL AND WORKS LIKE IT!!