Im not sure ... on the 3s ... this was the Flightpower 40c max 100amp... But I know the Colorado guys ( who turned us on to these to begin with ) have the full down low on all things lipo and brushless...
we have been running them for a year also and no problems the 2500 is what i stick to 2s and they balence and hold their charge like no other ... I make 5 to 6 runs and it may lose .5 to .10 volts ... good luck ....! I can send you the Tower link if you send a pm...