Tesla Motors to Unveil Home and Utility Batteries April 30

Tesla Motors Inc. plans to begin building lithium-ion batteries at its Reno “Gigafactory” in 2017.

David Paul Morris/Bloomberg
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Tesla Motors Inc. will announce a home battery and a “very large” utility-scale battery on April 30, according to an e-mail sent to investors and analysts.

The e-mail Tuesday from Jeffrey Evanson, Tesla’s head of investor relations, said the company “will explain the advantages of our solutions and why past battery options were not compelling.” Khobi Brooklyn, a Tesla spokeswoman, said that “we’ll share more information next week,” without confirming the e-mail.