RobertsTesla began production of battery cells at its Gigafactoryon Wednesday.The battery cells currently in production will be used for

Tesla's rechargeable home battery, Powerwall 2, as well as its massive

electric-car maker said in a statement that it aims to begin

production of battery cells for the Model 3, its first

mass-market car, sometime in the second quarter.Producing the batteries at the Gigafactory will bring down

costs, enabling the company to price its Model 3 at

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