Originally Posted by
SaladFork
There is no study lol, if anyone could see how fast a pack can suck MAH out when using a 4.5T 550 motor and 90C you would have no issue charging your packs at 20A. We could say drive slower because we wouldn't want to pull more than 1C out of the pack because it will shorten the life span.

I hope I don't really need to say this but here goes: Pulling current from the pack and putting it back in are two completely different things.