7/
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

— Kawasaki_KR-1 (@KawasakiKR11) February 3, 2019