Volkswagen Group plans to present an replace on batteries subsequent week at an occasion echoing a Tesla briefing that helped enhance its share value final yr.

VW Group CEO Herbert Diess despatched out the invitation to VW’s first “Energy Day” occasion on March 15 using his Twitter and LinkedIn accounts on Tuesday. “Please word: This isn’t a automotive presentation,” he mentioned.

Diess, 62, made his Twitter debut early this yr and promptly engaged in some good-natured ribbing of Tesla CEO Elon Musk.

Musk has been on the platform virtually a dozen years and has used it to nice impact to advertise what’s now far and away the world’s most respected automaker. The corporate spends an immaterial amount of cash on conventional promoting.

Boosting battery experience and securing ample provides will probably be important for VW to ship on plans for the business’s largest fleet of electrical automobiles. On the VW model, the ID4 SUV is becoming a member of the ID3 hatchback this yr and will probably be offered in China and North America along with Europe.

VW’s different divisions are also boosting their electrical choices, with the premium Audi and Porsche manufacturers in addition to the Skoda and Seat models rolling out EV fashions this yr.

VW intends to roughly double the share of its international gross sales which are purely battery-powered vehicles to between 6 p.c and eight p.c in 2021 and slender the amount hole to Tesla.

Nonetheless, getting sufficient batteries is a problem for a lot of producers as demand is surging particularly in Europe in China. VW’s designated battery provider within the U.S., SK Innovation, is embroiled in a authorized spat with rival LG Chem that dangers undermining provides.

UBS Group analysts praised VW’s electric-car know-how final week after a teardown of the ID.3. Additionally they cautioned that “there are nonetheless deficits in battery price and IT hard- and software program vs. Tesla.”

The VW model’s newly unveiled strategy update “focuses on making a giant leap on this space,” UBS mentioned in a word on Monday.

VW teamed up with Swedish startup Northvolt to make batteries in Europe and is an early backer of solid-state battery specialist QuantumScape, which listed within the U.S. final yr.