A new Gionee smartphone was listed recently on TENAA and features what appears to be a gigantic 10000 mAh battery. This is one of the highest battery capacities we've seen on a smartphone and indicates that the device might double as a power bank. But what compromises have been made to accommodate the battery?
https://www.notebookcheck.net/Is-that-a-phone-or-a-power-bank-Ludicrous-10000-mAh-Gionee-phone-turns-up-on-TENAA.483269.0.html