Startup Exowatt has announced its ceramic battery technology to address the energy needs of data centers. The company claims that its technology can store solar energy for months, helping to address the rapid growth of power consumption in data centers. The company has received $20 million in seed funding, with investors including a16z and Alterman. According to reports, Exowatt has accumulated orders of 1.2 gigawatts, mainly focused on data centers and encryption mining projects in the United States.