Despite a rocky year for EV sales in the U.S., BMW is taking a massive step forward by bringing battery production stateside. Gallery: BMW Plant Woodruff Battery Production 37 Source: BMW“With Plant Woodruff, we are further expanding our footprint in South Carolina and strengthening the close integration of battery and vehicle production,” Robert Engelhorn, the president and CEO of BMW Manufacturing said in a statement. BMW Plant Woodruff in South Carolina. Photo by: BMWAESC will still supply BMW's Gen6 battery cells, just from an undisclosed location instead. The battery pack itself is among the largest we've seen on an electric SUV, measuring 144 kilowatt-hours (usable) in the U.S. and 141 kWh in Europe.