My "Roadster wishlist" has several items related to charging.
7) SAE/DIN standardized charging connector that can be used at any public recharge point worldwide.
8) optional high voltage DC fast charge connector for 3-phase external charger
9) V2G communications to allow utility to control charging (but no power to grid)
10) Mobile charge connector with 110v 15A, 220v 30A, 220v 50A, and 220v70A capability for $500 or less.
GSP
7) SAE/DIN standardized charging connector that can be used at any public recharge point worldwide.
SAE's J1772 committee is working on a spec for this. I think they are talking to their counterparts in the EU, Japan, China, etc. Hopefully they can agree on a worldwide standard, since that would lower costs and be better for customers.
8) optional high voltage DC fast charge connector for 3-phase external charger
Hopefully the 600v, 550 ADC standard that I posted here http://www.teslamotorsclub.com/technical/1381-charging-station-standards-7.html#post20420 will be accepted for fast high voltage DC external chargers. Cars could be equipped with two standard charge points. One to provide AC (probably only single phase) to an on-board charger, the other to provide DC directly to the battery from an external charger. Like the iMiEV.
9) V2G communications to allow utility to control charging (but no power to grid)
Hopefully SAE, EPRI, the EU, etc can agree on worldwide standard protocols for vehicle to charger to grid interfaces for both on-board chargers, and off-board "45-60 min" chargers.
10) Mobile charge connector with 110v 15A, 220v 30A, 220v 50A, and 220v70A capability for $500 or less.
In addition to plugs that work with 110v and 220v outlets found in households, RV parks, golf courses, etc. It also would be good to have plug(s) for the IEC 60309 connector system, as suggested by dpeilow.
GSP
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