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Panasonic unveils prototype battery for Tesla

TOKYO — Panasonic unveiled a more advanced prototype battery that has five times the storage capacity of current ones, with the company’s battery chief saying it will help deepen business ties with U.S. electric-car maker Tesla.

During a media roundtable where Kazuo Tadanobu unveiled the new battery for the first time, he also said Panasonic had no plans to make cheaper Lithium Iron Phosphate (LFP) EV batteries.

Panasonic this year established a test line in Japan to make the 4680 format, which is a 46 mm (1.6 inches wide) and 80 mm tall battery cell that Tesla says will store more energy, halve battery costs and drive a 100-fold increase in battery production by 2030.

“We have developed this because of the strong desire of the other party, and we think this can only lead to stronger ties,” Tadanobu said.

Panasonic’s commitment to deepening business ties with Tesla comes as the EV maker diversifies its suppliers beyond the Japanese company, forging supply contracts with South Korea’s LG Energy Solution, owned by LG Chem, and China’s Contemporary Amperex Technology Co. (CATL).

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