TeraWatt Technology
TeraWatt Technology is a climate tech company in San Francisco, United States, founded in 2020. It has raised $137.0M across 4 rounds, most recently a $70.0M Series C in April 2026.
Make it Work at Scale — Pioneering lighter, smaller, more powerful, and safer lithium-ion batteries
- Headquarters
- San Francisco, California
- Employees
- 51–200
- Founded
- 2020
- Business Model
- B2B
- Website
- terawatt-technology.com
- Total Funding
- $137.0M
- Last Round
- $70.0M Series CApr 2026
- Rounds
- 4
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 4 funding rounds and 8 investors for this company. The full record is or through the API.
About
TeraWatt Technology Inc. is a lithium-ion battery manufacturer dedicated to commercializing next-generation battery cells that are significantly lighter, smaller, more energy-dense, and safer than current offerings. Founded in 2020 as a spinout from the SERES battery technology division, the company operates a mass production facility in Shizuoka, Japan (ISO 9001 certified) while maintaining its headquarters in San Francisco, California. TeraWatt targets applications including electric vehicles, drones, and other mobility platforms, and completed a Series C funding round in April 2026 with strategic partnerships with energy companies. The company was named to Forbes Asia 100 to Watch 2024 and has attracted senior talent from Tesla, Apple, Nissan, and other leading EV and battery firms.
Summary
It lists 51–200 employees. It has raised $137.0M in total across 4 rounds, most recently a $70.0M Series C round in Apr 2026. Investors include Khosla Ventures, Coral Capital and Temasek.
Tech & App Stack
5 technologies & apps tracked
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Funding History
Apr 2026
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Funding: Series A through Series C. Amounts, valuations, and investors where available.
Investors
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