Visitors learn about power batteries used on new-energy vehicles during an exhibition of the 2022 World EV & ES Battery Conference in Yibin, southwest China's Sichuan Province, July 21, 2022. [Photo/Xinhua]

China's power battery output and installed capacity saw rapid expansion in April, industry data shows.

The power battery output stood at 47 gigawatt hours last month, up 38.7% year on year, according to the China Automotive Battery Innovation Alliance.

The installed capacity of power batteries totaled 25.1 gigawatt hours, surging 89.4% year on year, the alliance said.

In the first four months of the year, China's power battery output rose 28.7% from the same period in 2022, while the installed capacity of the batteries climbed 41%.