The battery will first be used in Autoflight's air taxis, as CATL has a longstanding commitment to the electric aviation company. The brutal thermal runaway test has been carried out in front of government regulators. 4 Reviews ← exclude selected types ← exclude selected tagsThe world's biggest battery maker has cleared a milestone for its aviation battery pack that passed a challenging thermal runaway test. CATL is treating electric aviation as a genuine second act for its battery business, following its established EV dominance and its expanding footprint in electric vessels. Safety certification, however, has long been the bottleneck for electric aviation, more so than raw performance that CATL has mastered up to energy densities of 500 Wh/kg.