Hi, has anyone observed if the 10W version also has the immediate charge restart function of the 21W version? Right now i can get one unit for less than half the price while it puts out 1.6A, verified by a few users. A no brainer considering the latter version only does 2.1A at the very best. Someone on a retail website also said he only got 3V out of the 10W version and a respondent said to check if it had 12 strips across each cell for authenticity. Has anyone encountered fakes?