Tesla's new battery - intended to power homes - is now available for pre-order in the USA; shipments are expected to begin in late summer. The lithium-ion batter can be wall-mounted and recharged using either a solar array or grid connection. At $3,500 for the 10 kWh model and $3,000 for a 7 kWh unit, they're comparatively inexpensive.
The author of the article seems more than a bit arrogant, though:
Musk has made electric cars a (stylish) reality, and is pioneering space exploration with SpaceX. Tesla Energy is another concept which, though beyond the realm of most people’s understanding, has potentially huge consequences if Tesla can execute as Musk believes it can.
