Tesla’s Musk hints at battery capacity jump ahead of industry event

SEOUL — Tesla CEO Elon Musk has said the automaker may be able to mass produce longer-life batteries with 50 percent more energy density in three to four years.

“400 Wh/kg *with* high cycle life, produced in volume (not just a lab) is not far. Probably 3 to 4 years,” Musk tweeted on Monday ahead of its anticipated Battery Day event where Tesla is expected to reveal how it has improved its battery performance.

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