The 1C max. charge rate was for back when LiPolys were rated atr max. of 6C discharge and there were no balancing leads ,balancers or balancing chargers.
CAre to see a bit of my Blancing / balancers / balancing chargers experience?.
I and many others have charged at 3C and greater for many years and tens of thousands of charges
I have posted controled trest where a single 3S LiPoly was charged at 5C and discharged at 17C for over 300 cycles with no ill effects.
I have facts / data to back up my claims while you have ..............................
Sorry but I tend to get annoyed when those with little to know real LiPoly knowledge or experience come alone and post such BS.
1-3C charge test from yeras ago. That member still charges at greater thna 1C
300 cyckles at 5C charges and 17C discharges
Battery graph vault first post has many years of my LiPPoly test in it.