Samsung will rely on battery company ATL (Amperex Technology Limited) to supply the batteries for the Galaxy Note7, according to Reuters citing a person with knowledge of the company's plans. Insofar, Samsung counted on its own subsidiary SDI to get the job of supplying the phablet's battery pack. According to analysts, SDI is responsible for 70% of the battery packs used for the Galaxy Note7, whereas ATL has supplied around a third. ATL's battery packs are predominantly found in devices in China. ATL is reported to take over the battery supply for the Galaxy Note7 from now on....
Source: http://www.gsmarena.com/new_samsung_galaxy_note7_battery_pack_to_come_from_atl-news-20524.php