Apple will reportedly use LG Chem’s stepped battery for its rumored iWatch. Contrary to recent news reports of solar-powered smart watches, Apple has confirmed that it will stick with lithium-ion batteries for its upcoming iWatch. These batteries are to be supplied mainly by Samsung SDI, LG Chem and Tianjin Lishen Battery, according to industry … [Read more...] about Apple to Use LG Chem 'Stepped Battery' for iWatch