Innovation is batteries is hard. Which is why it is all the more impressive that lithium-ion costs have plummeted in the past few years. http://analysis.energ

Innovation is batteries is hard. Which is why it is all the more impressive that lithium-ion costs have plummeted in the past few years. http://analysis.energystorageupdate.com/lithium-ion-costs-fall-50-within-five-years http://analysis.energystorageupdate.com/lithium-ion-costs-fa...