19 Jul '13, 8pm

Can Telsa Superchargers get half-refill time down to 5 minutes?

Not all the gains need to be done through just more power. If they improve efficiency by 25% with say, a smaller, lighter, more aerodynamic car 85kw GEN III roadster, that would chop 5 minutes off that 20 minute charge time to go 100-130 miles right there. You get that 15 minute faster charging for "free" without pushing the C rating any harder than right now. Put a plug at both sides of the car and connect to two 120 kilowatt superchargers, and you cut that 15 minutes in about half, down to 7-8 minutes. So you wouldn't need to double the power of the existing chargers in order to roughly double the charge speed. At that point, it would be charging at 2X the C rating as an 85 kw Model S, which is more strain on the battery. But we already know that the 60 kw Model S can charge at the exact same rate as the 85 kw version. So the 60 kw Models S is already charging at roughly...

Full article: http://green.autoblog.com/2013/07/19/telsa-superchargers-...

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