While it’s a standard practice for most smartphone manufacturers to leave it up to third-party companies to convey tests on its phone batteries, it turns out this isn’t the way Samsung does things. Unlike other companies like Apple, the South Korean tech giant is apparently among the few manufacturers that do its battery testing in-house, The Wall Street Journal reports. US regulations require that all phone batteries be tested at one of the appointed CTIA-certified labs to ensure everything is up to standard and prevent accidents like the now infamous Galaxy Note 7 debacle. To sell smartphones at major U.S. carriers, phone makers are required to test…

This story continues at The Next Web