The Tesla Roadster, which is said to get well over 200 miles on a battery charge, must then carry a rather large battery pack. Just how large? Here's a picture of that battery pack -- you can get an idea of its relative size by looking at the man to the right in the picture. Tesla Battery Pack holding 6381 laptop batteries
Here's another picture: And a PDF file which describes more details about it: http://www.teslamotors.com/display_data/TeslaRoadsterBatterySystem.pdf
Thanks for the PDF! To highlights some facts in that file in other units, per Charlie Rose - A conversation with Elon Musk, CEO of Tesla Motors
What boggles my mind the most is trying to figure out just where they hide this coffin-sized battery in a sports car! Clearly, they've done it. But it seems counter-intuitive. I guess I could almost fit it into my Prius if I put the back seats down and sort of wedged it in through the hatch.
You can see the top of the pack at http://theirearth.com/uploads/news/1603973072_tesla_roadster_battery.jpg. The coolant tank is attached to it. The pack goes much further downwards in the car. IIRC, it starts about where the coolant tank while the wider black plastic part closer to the trunk is the electronics. This is from (possibly faulty) memory when I stumbled across the Tesla showroom in Seattle on a weekend listening to the salesman...
