Graphene in general can handle more abuse in terms of sustained current draw as well as higher charge rates, but as others have cautioned already, they can be equally as dangerous if not handled properly. Use common sense and follow directions, invest in a charger that measures the IR of your cells so you know the current health of the pack. I replace any battery when any single cell goes above 15mΩ as my personal safety preference:

Which charger is the best?