Air Energy Inc. closes its seed funding round led by Leslie Ventures to develop solid-state lithium-air batteries for electric aircraft and drones.
Round Type
Seed
ChicagoManufacturingEnergyRenewable EnergyInvestors
Description
Air Energy Inc., a Chicago-based energy storage company, closed its seed financing round of an undisclosed amount. It aims to develop rechargeable solid-state lithium-air batteries to enhance electric aircraft and drone capabilities. The funding round was led by Leslie Ventures with participation from multiple investors. This financing follows Air Energy’s selection as a partner in a U.S
Quick answer
Air Energy raised an undisclosed amount in a Seed round, dated July 2, 2026. Investors: Leslie Ventures, Resolute Venture Partners, Illinois Invent, Illinois Tech, Evergreen Climate Innovations and Leslie Ventures, LLC. Air Energy is based in Chicago, Illinois, United States.
- How much did Air Energy raise?
- Air Energy raised an undisclosed amount in a Seed round on July 2, 2026.
- Who invested in Air Energy?
- Leslie Ventures, Resolute Venture Partners, Illinois Invent, Illinois Tech, Evergreen Climate Innovations and Leslie Ventures, LLC are named as investors in this round.
- What does Air Energy do?
- Air Energy Inc. is a Chicago, IL-based high-density energy storage company focused on developing rechargeable solid-state lithium-air batteries.
- Where is Air Energy based and how big is it?
- Air Energy is based in Chicago, Illinois, United States. Fundz records about 8 employees.
- Who are the decision-makers at Air Energy?
- Fundz holds 1 contact at Air Energy, including the Vice President of Sales Air Energy and Globalvac and Air. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Renewable Energy around the same time
Companies in the same sectors as Air Energy that raised within 45 days of this round, from Fundz verified event records.
- Cosmos Lab raised $18M (Series A) on August 12, 2026.
- Polar Power raised $1000K (Series A) on August 11, 2026.
- Ruizhi New Energy Technology raised an undisclosed amount (Pre-Seed) on August 11, 2026.
- Shenzhen Yilanke Electric raised an undisclosed amount (Series A) on August 10, 2026.
- Matel raised $14M (Series B) on August 8, 2026.
- Squirrel Power raised $31M (Series A) on August 6, 2026.
Who to call at Air Energy, and when
A new round usually means Air Energy is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Air Energy raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Air Energy, from your own LinkedIn network
Works inside ChatGPT and Claude. Ask who to call at Air Energy. With Fundz connected, it knows.
AI made execution free. Knowing first is the whole game now.
Fundz sees it the moment Air Energy raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
Related People
Air Energy raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
145 of these a day, filtered to the companies you pick, with the decision-maker attached.
5 screens from a live account. No signup.