1. Make a version with the removable battery (+3-5mm to thickness). 2. Have a an option with battery pack using the 18650 or similar cells (also would have muc

1. Make a version with the removable battery (+3-5mm to thickness). 2. Have a an option with battery pack using the 18650 or similar cells (also would have much more capacity), can be interchangeable with normal thinner battery. Anyway, that idiocy with large ultra-thin lipo powered devices must come to an end (otherwise you have a ready ignition if it is bends). PS: One cannot exclude insiders from competition contaminating the separator film during the battery manufacture.