, Tesla deployed nearly as much battery capacity onto roads as its four closest competitors combined .The exact number for BYD has not been disclosed in the open version of the report , but the Chinese company has increased its battery deployment by 243% year-over-year.The report for the first half of the year indicates that some 6.23 million new passenger xEVs were registered .
The expansion of the battery market outpaced the increase of xEV sales , which is not a surprise because plug-in electric cars are often equipped with bigger and bigger batteries, which adds on top of higher xEV sales., the overall global sales-weighted average battery pack capacity of all newly sold passenger xEVs amounted to 31.4 kWh (up 27% year-over-year from 24.8 kWh.
We additionally calculated average battery pack sizes also for all of the categories, but please note that the results might be a percent or two off: