Acer Chromebook CB5 CB5-571 C720 C720P S7-191 S7-391 S7-392 Iconia W700 Laptop Charger AC Adapter Power Supply Cord Acer Chromebook C720 AC Adapter NP.ADT0A.010. This charger is compatible with all the models in the title and description, in addition to many others. Laptop Charger AC Adapter Power Supply with US Plug Power Cable Premium quality laptop charger