International Battery Metals Ltd., a technology company, develops modular direct lithium extraction plant in Canada. The company focuses on lithium compounds extraction from brines. It provides technologies to holders of resource properties such as oilfield brines, subsurface brine aquifers, and industrial customers. The company was formerly known as Rheingold Exploration Corp. and changed its name to International Battery Metals Ltd. in August 2017. International Battery Metals Ltd. was incorporated in 2010 and is headquartered in Vancouver, Canada.