60GWh means.. 60 hours of 1GW, or 1 hour of 60GW (or various other combos). Where are you getting this "typical" from? Many vendors allow a maximum rate of 50

60GWh means.. 60 hours of 1GW, or 1 hour of 60GW (or various other combos). Where are you getting this "typical" from? Many vendors allow a maximum rate of 50% discharge (at that speed it reduces the lifetime of the batteries, so it shouldn't be frequently done).