Batteries are one of the most expensive components of electric vehicles (EVs). To bring the cost of EVs down, improving battery technology and reducing the expense of their manufacturing will be key. 

Tesla (NASDAQ: TSLA) is trying to do just that, according to experts interviewed for an article published by Reuters this week -- but it hasn't been easy. The company's improved manufacturing process could eventually cut the cost of its Model Y battery in half -- by $5,000 or more -- if the company can bring it together.  

Image source: Tesla.

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Source Fool.com