Battery technologies have helped to better the standard of living of millions of people through renewable energy , electric vehicle , consumer electronic , medical , unmanned aerial vehicle (UAV) , military and other applications. Batteries will continue transforming these sectors as systematic improvements are made in a range of key areas including specific energy , specific power , affordability (i.e. low-cost) , cycle life , amples of keywords include "lithium-sulfur", "lithium-air", "silicon anode", "flow battery", "specific energy", "specific power", and "cell-level."