The Sunrun Brightbox is a solar battery system.
The Sunrun Brightbox is a wall-mounted solar battery using LG Chem’s Lithium ion technology, that can be connected with existing solar energy production infrastructure. It is designed to be integrated into a wider network of energy storage devices and function as a micro grid during blackouts.
This product is available in 23 states in the USA, including Puerto Rico
Goal 7: Affordable and clean energy
Target users include urban and rural homeowners, and recently hurricane and storm prone areas such as Puerto Rico
Users can obtain this product through direct sales from the manufacturer.
As of the end of 2018, Sunrun had installed over 5,000 Brightbox units with numbers expecting to double by the end of 2019.
Number and type of power outputs
Number and type of light points
Manufacturer-specified lumen-hours per solar day
Peak power rating of the solar panel in standardized sunlight conditions, provided by the manufacturer
Manufacturer-specified battery capacity
Manufacturer-specified battery voltage
Type of battery used
Can the user easily replace the battery if needed?
Can this system be monitored remotely?
Type of user payment structure
Does this system require mobile connectivity (either for payments or to function)?
The Sunrun Brightbox is a solar energy storage system, designed to be integrated into a larger network of storage devices to provide power to homes in periods of blackouts. The system utilizes LG Chem’s Lithium ion battery technology and is available with a 5 kW capacity; with a total energy rating of 9.8 kWh. The unit is wall mounted and can operate in most environments and temperatures with an IP55 rating. The unit has the following dimensions: 744 x 907 x 206 mm, and weighs 97 kg. The data sheet can be found here
Provided by the manufacturer
Replaceable components include the battery, inverter, solar panels, mounts and wiring connections
The battery is designed to provide 8 – 12 hours of power for household overnight or in a blackout or power outage.
LG Chem has some safety guidelines for installing and operating the battery system used in the Sunrun Brightbox.
The Sunrun brightbox requires solar production infrastructure to operate, and can be incorporated into existing solar system or installed with a new system.
Alnaser, W. and Alnaser, N., 2019, The Impact of the Rise of Using Solar Energy in GCC Countries, Renewable Energy and Sustainable Buildings, pp. 167-183.
Attanasio, D., 2017, Conference Proceedings Report: Transforming the U.S. Electric System: Where State and Federal Initiatives Meet, George Washington Journal of Energy and Environmental Law, p. 121.
Sandoval, C., 2018, Net Neutrality Powers Energy and Forestalls Climate Change, San Diego Journal of Climate and Energy Law.
LG has released an installation manual for the Energy Storage System (ESS) used in the Sunrun Brightbox.
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