Solving the World's Biggest Energy Problems. Ambri’s Liquid Metal™ battery technology solves the world’s biggest energy problems fundamentally changing the way power grids operate by increasing the contribution from renewable resources and reducing the need to build traditional power plants. Ambri’s sustainable, American-made batteries are built for daily cycling – even in extreme, harsh environments. Unlike rival technologies, Liquid Metal batteries have minimal degradation and can last for over 20 years. They are not only extremely reliable but also safe – as they do not produce or emit any gases and have no possibility of thermal runaway.