3/
Here are the data, plotted yearly. The raw data are in Ah & JPY, so I converted them to kWh & USD. There are a few take-aways.

#1 is the sales value (cost) never goes below $200/kWh. That's true even if you look at the monthly data. pic.twitter.com/zUSMJ1e0b9

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