Well the 12000mah would be 4000mah TrueRC cells, and the 16000mah would be the 8000mah cells would be from TrueRC as well, but there one of the major namebrand cells. I just can't remember who makes em...It use to say on there website. Here is a
link to the 8000mah cells. The MAJOR disadvantage with them is the width...