Originally Posted by
MarkF
jamesymmons
A 2s lipo is 8.4 volts fully charged and a Li-ion is 7.2 Nominal voltage for a lipo is 7.4 and 6.6 for Li-ion
I think you're confusing A123/LiFe with li-ion. And technicaly, most li-ions are considered fully charged at 4.1v/cell, but it's OK to charge them at 4.2v/cell. Still, worse case scenario, a 2s li-ion will have a nominal voltage of 7.2v, NOT 6.6v.