China's power battery output saw rapid expansion in July, industry data showed.

The power battery output stood at 61 gigawatt-hours(GWh) last month, up 28.9 percent year-on-year, data from the China Association of Automobile Manufacturers showed.

About 40.5 GWh of lithium iron phosphate batteries were produced, increasing by 35.6 percent from a year earlier, and making up 66.4 percent of the monthly total.

In the first seven months, China's power battery output rose 35.4 percent year-on-year to 354.6 GWh.

The production of new energy vehicles jumped 30.6 percent year-on-year to 805,000 units last month, and sales rose 31.6 percent to 780,000 units.