http://www.autoblog.com/2016/01/12/chry ... exclusive/
In the last paragraph they say it has a 6.6 kW onboard charger. Previous reports said it charges in 2 hrs so there's no way they have unlocked the full 16kWh of the battery if those numbers are correct.
The iMIEV I belive unlocked the full 16kWh and is EPA rated at 62. I think it would be fair to say that this minivan will be able to get more than half the range on the same 16kWh but if it will top off from empty in 2 hrs (even if that's rounding down the time, or talking about from a low SOC) I think it would be reasonable to say there's about 12-13 kWh available and also reasonable to guess that there's no more than 14 kWh.
At 12kWh available it would have to get 2.5 miles/kWh on the EPA test to get 30 miles. IIRC the leaf gets 3.9 mile/kWh on the EPA test so I think it will be able to do 30, but I also wouldn't be surprised if the EPA number is a 28 or 29.