Used Car Batteries Could Support Power Grids
Jan. 28, 2020—An Australian electronics company, an Ohio utility and Nissan are experimenting with old electric car batteries as power banks.
Popular Mechanics reported that Relectrify, American Electric Power and Nissan have been making expired Nissan Leaf batteries into battery management systems. The technology could reduce costs and boost the lives of the lithium-ion batteries.
The battery pack systems have inverters that are supposed to maximize each battery's juice and account for bad batteries in the pack. One block in a Relectrify system can contain 400 battery cells. The article said that one AC battery block from Relectrify can provide 72 kilowatt hours of energy storage and up to 25 kilowatts of power.