TeraWatt Technology, a manufacturer of lithium-ion batteries, announced the completion of another financing round before Series C. The company has raised an undisclosed amount from investors, including the Development Bank of Japan, INPEX Corporation, JIC Venture Growth Investments, Rakuten Capital, Mori Trust, GLIN Impact Capital, and several other individual investors. The existing investors from Series B, such as Temasek, Khosla Ventures, and JAFCO, also participated in this round.