Simply select your Acer Chromebook charger series from below, which includes series of C710, C720, C720P and once you select your series it will then show you all known Chromebook models, including full specification of each ac adapter including voltage, amp and connector size and you have a option normally located at the bottom to view a white version of your chosen Acer charger, whichever power adapter you choose it will be supplied with matching power cord and plug. For the full selection of all Acer Chromebook ac adapters find them here.