Tesla wants its Powerwall to save the grid and your bank account – via Engadget
Elon Musk, our lord and saviour… Tesla CEO Elon Musk introduced the Powerwall at his company’s design studio in Southern California. He said it’s a “whole integrated system that just works and is connected to the internet.” The battery packs are lithium-ion cells with a liquid thermal-control system. Powerwall — which Tesla has been […]