Powerwall | Tesla Motors
"Powerwall is a home battery that charges using electricity generated from solar panels, or when utility rates are low, and powers your home in the evening. It also fortifies your home against power outages by providing a backup electricity supply. Automated, compact and simple to install, Powerwall offers independence from the utility grid and the security of an emergency backup."
Technology:Wall mounted, rechargeable lithium ion battery with liquid thermal control.
Models: 10 kWh $3,500 For backup applications
7 kWh $3,000For daily cycle applications
Efficiency: 92% round-trip DC efficiency
Power: 2.0 kW continuous, 3.3 kW peak
Voltage: 350 – 450 volts
Current: 5.8 amp nominal, 8.6 amp peak output
Weight: 220 lbs / 100 kg
Tesla's Elon Musk Unveils Stored Sunlight in Batteries - Scientific American
"Musk introduced the Tesla Powerwall, a wall-mounted lithium-ion electric battery for homes and small businesses, and the Tesla Powerpack, a heftier version of the same core product designed for utility-scale use."