Your FOOTNOTE Quotes this in your original Post. That is what was not correct. The basics you have are correct.
C-Rating is (without going really in depth) basically just a way to calculate the maximum amp draw of a battery or battery pack. example a 10C 1000mAh battery can produce 10,000mAh...
I see one basic mistake. C is the rating is the max Amp Draw and has nothing to do with Capacity. mAh is your capacity.
1000mah is 1 ah and 10c would mean you could draw 10 x 1 = 10 amps. You would get about 6 minutes of run time at that amp draw.
3.7 Volts x 1ah = 3.7 Wh that is capacity. You...