Originally Posted by jackerbes
A typical low rate discharge to 3.7V should leave you 10-15% or more, I thought maybe you took them all down to 3.0V or less (a bad thing to do).
Maybe you got lucky and some under-rated packs or mis-marked packs of a larger capacity.
I'm figuring 3.7V is 80% discharged from my tests, thus the 1280mah goal. I think the 1570mah he reported was from the pack discharged to 3.2/3.5V.