THE BENEFITS OF POWERWALL
Increasing self-consumption of solar power generation: Powerwall can store surplus solar energy during daylight hours and use that energy later when the sun is not shining.
Load shifting: Powerwall can charge during low rate periods when demand for electricity is lower and discharge during more expensive rate periods when electricity demand is higher.
Back-up power: Available Now.
Powerwall 2 specs: Mounting: Wall or Floor Mounted, Indoor/Outdoor Inverter: Fully integrated Tesla inverter Usable Capacity: 13.5 kWh Power: 5 kW continuous, 7 kW peak Round Trip Efficiency: 90% Operating Temperature Range: –20°C to 50°C (–4°F to 122°F) Warranty: 10 years Dimensions: 1150 mm x 755 mm x 155 mm (45.3 in x 29.7 in x 6.1 in)”