Tesla CEO Elon Musk has teased an update that will end "range anxiety" in the company's Model S cars.

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"Range anxiety" is something that electric car owners are likely familiar with - the fear of travelling too far and becoming stranded without a charger in sight. However, Musk tweeted early this morning that an "end" to range anxiety will be revealed at a Tesla press conference this Thursday."About to end range anxiety ... via OTA software update," Musk says in his tweet. "Affects entire Model S fleet."

As Engadget notes, this is a bold claim since Tesla has previously relied on hardware upgrades to extend the mileage of its vehicles. Since Musk says all Model S cars will receive the update, this end to range anxiety is likely to come in the form of battery optimisations or a power-saving mode.

In any case, we'll find out at Tesla's press conference this Thursday March 19 at 9am.

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Last month, Musk hinted at a new Tesla battery to be unveiled soon. Tesla drivers also recently discovered a "James Bond mode" hidden in the settings of Model S cars.

Katie Williams is a freelance writer and journalist. She tweets at @desensitisation and hopes that one day, a bird will tweet back.