Lithium-ion batteries: a pillar for a fossil fuel-free economy. We’re destroying our environment at an alarming rate. But it doesn’t need to be this way. We need a technology that holds the key to move without burning fossil fuels. Green Technologies Group solve this major problem with the invention of the Revolutionary Li-Ion batteries The lithium-ion battery is the power source for modern electric vehicles and other electronic products these days and everyone has heard of lithium ion batteries, but what makes them so special is that each battery is made up of many smaller batteries.