According to NIO Inc. 's official introduction, the battery pack adopts a mixed arrangement of ternary lithium and lithium iron phosphate cells, which can reduce the life loss at low temperature by 25%, the power estimation accuracy is the same as that of ternary lithium batteries, and the application of the new generation CTP technology simplifies manufacturing and assembly by 10%, increases volume utilization by 5%, and energy density increases by 14%, reaching 142Wh/kg. In addition, according to it House, after being equipped with the battery pack, the NEDC life of all NIO Inc. 's dual-motor high-performance models has been changed, with an increase of about 30 km over the previous period, of which ec6 has a range of at least 465 km, es6 at least 455 km and es8 at least 385km.