Editorial: Tesla's "coddled" and pricey energy storage system
The latest entry on the Tesla Motors corporate blog focuses on the heart of the new Roadster. The range and performance capabilities of the Roadster wouldn't be possible without a way to store a lot of energy on board and the Tesla energy have created what is arguably the most sophisticated automotive battery pack ever created. It is almost certainly the most complex and comprises roughly one third of the weight of the whole car.