7/
— Kawasaki_KR-1 (@KawasakiKR11) February 3, 2019
Simplified story is like this:
2012-2015: the price declined as production volume increased, helped by weakening JPY.
2016: strengthening JPY attenuated the price decline.
2017-2018: the spike in raw material costs prevented battery cost from declining further. pic.twitter.com/YLLxO5ZElh