Secrecy Of 21700 Cylindrical Battery

- Aug 13, 2017 -

Tesla disclosed earlier this year, in the existing conditions, the production of its 21700 battery system energy density of about 300Wh/kg, compared to its original 18650 battery system 250Wh/kg increased by about 20%. The capacity of single cell battery promotion means that the number of the equivalent energy required for batteries is reduced by about 1/3, so reduce the system management difficulty, simplified metal structure parts number, although a single electric core weight and cost increase, but the battery system PACK the weight and the cost has been reduced.

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