As of May 30, BYD CUBE T28 has delivered more than 1.6 GWh overall in North America so far this year, BYD said.

(BYD's energy storage system production site.)

As China's largest manufacturer of new energy vehicles (NEVs), BYD is also one of the largest manufacturers of power batteries and energy storage batteries.

In April, China's power battery installed base was 13.3 GWh, up 58.1 percent year-on-year but down 38.0 percent from March, according to data released by the China Automotive Battery Innovation Alliance (CABIA) on May 11.

CATL's installed base in April was 5.08 GWh, with a 38.3 percent market share, still ranking first, but down 12.2 percentage points from March's 50.5 percent.

BYD's installed base in April was 4.27 GWh, with a market share of 32.2 percent, ranking second, up 13 percentage points from 19.2 percent in March.

This narrowed the gap between BYD and CATL in China's power battery market share to 6.1 percentage points, the lowest since CABIA data became available.