Why does lithium-ion dominate the battery market today? In the past decade, lithium-ion batteries (LIBs) have rapidly gained popularity, especially in consumer electronics, electric vehicles (EVs), and grid support. By 2018, the LIB market, valued at USD 40 billion, surpassed lead-acid batteries by seven percent. Annual deployment soared from 60 GWh to 195 GWh between 2014 and 2019. This article explores the factors driving the swift adoption of LIBs. visit https://www.ceew.in/cef/quick-reads/explains/why-does-lithium-ion-dominate-the-battery-market-today