Several manufacturing lines, such as drive unit, seat assembly, paint shop and stamping, have demonstrated a manufacturing ability in excess of 1,000 units per week during burst builds of short duration . Other lines, such as battery pack assembly, body shop welding and final vehicle assembly, have demonstrated burst builds of about 500 units per week and are ramping up quickly. Likewise,cell production at Gigafactory 1 continues to ramp, and current cell production makes it one of the largest battery cell manufacturing facilities in the world