Feb. 4, 2019—Tesla has agreed to buy energy storage company Maxwell Technologies Inc. for $218 million, according to a report from Reuters.

The deal could help the automaker produce batteries that hold more energy and last longer at a time when it needs to cut costs and faces growing competition.

Tesla is rapidly increasing production of its Model 3 sedan and needs to lower the price to reach a broader customer base than its pure luxury vehicles. 

Maxwell executives told investors in January that it had developed and patented a “dry electrode” technology that could significantly increase the driving range and reduce the cost of electric vehicle batteries. In a presentation, Maxwell said it expected strategic alliances “within six months” centered around this technology.