Tesla have created the largest factory ever constructed to help get their battery powered future moving. China has other ideas, with plans to create a production capacity of nearly 4 x that of the current Tesla building. Will this see a rush to production of Chinese Li-ion and create lower quality, more dangerous goods? https://www.bloomberg.com/news/articles/2017-06-28/china-is-about-to-bury-elon-musk-in-batteries
You realise china makes all iphone and iPad batteries, they make 60% of all Li-on batteries. Most like all battiersi in your house.
