Global 18650 Cylindrical Lithium Ion Battery Market By Type (LiCoO2 Battery , NMC Battery , and LiFePO4 Battery), By Application (Power Banks , Laptop Battery Packs , Electric Vehicles , Flashlights , Cordle , , ss Power Tools , and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029