General Motors is selling its stake in the nearly completed Ultium Cells battery cell plant in Lansing, Michigan, to its joint venture partner LG Energy

GM and LG Energy Solution have announced an expansion to their existing battery technology partnership to include the development of prismatic battery cells.

In separate announcements, GM said it planned to sell its stake in a Michigan joint-venture battery factory to LG, while the companies also agreed to a continued technical partnership for development of prismatic cells.