On 30 December 2021 the Chinese regulator CAAC published the special conditions (SC) of the lithium batteries for light sports airplane (LSA). CAAC states in the document that since there is no technical requirement for lithium batteries in ASTM F2840-14 technical standard for LSA, this SC is . The SC is necessary for the certification of electric LSA.
RX1E, RX1E-A and the float plane model RX1E-S are the three electric LSA models certified by CAAC employing this SC which may also be the basis for the ongoing Part23 RX4E four-seat electric airplane certification.
This SC can be downloaded at (in Chinese only): http://www.caac.gov.cn/XXGK/XXGK/BZGF/ZYTJHHM/202112/P020211231536548727917.pdf