This page says they start at about $8000 https://www.powerinfotoday.com/hydroelectric/redflow-reduces-zbm-battery-cost-by-over-50-and-drops-below-grid-price/ h

This page says they start at about $8000 https://www.powerinfotoday.com/hydroelectric/redflow-reduces-zbm-battery-cost-by-over-50-and-drops-below-grid-price/ https://www.powerinfotoday.com/hydroelectric/redflow-reduces...