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Cosmos Lab secures KRW 22 billion in Series A funding to accelerate the mass production of nonflammable non-lithium batteries with support from international and domestic investors.

PRIVATEAug 12, 2026

Amount Raised

₩22 Billion

Round Type

Series A

South KoreaManufacturingEnergyRenewable Energy

Investors

SoftBank Group

Description

Cosmos Lab has secured KRW 22 billion in Series A funding. The investments will focus on advancing technology and building infrastructure for mass production and commercialization. This funding will support the development of aqueous zinc-halogen batteries for AI data centers and energy storage. The company aims to transition these batteries to commercial cells rapidly.

Quick answer

Cosmos Lab raised ₩22 Billion in a Series A round, dated August 12, 2026. Investors: SoftBank Group. Cosmos Lab is based in South Korea.

How much did Cosmos Lab raise?
Cosmos Lab raised ₩22 Billion in a Series A round on August 12, 2026.
Who invested in Cosmos Lab?
SoftBank Group is named as investors in this round.
What does Cosmos Lab do?
Cosmos Lab is a next-generation non-lithium battery cell company focusing on the development of aqueous zinc-halogen batteries.
Where is Cosmos Lab based and how big is it?
Cosmos Lab is based in South Korea. Fundz records about 13 employees.

Source: Fundz verified event record.

Who else raised in Energy and Renewable Energy around the same time

Companies in the same sectors as Cosmos Lab that raised within 45 days of this round, from Fundz verified event records.

  • Mojave Energy Systems raised $19M (Series B) on September 23, 2026.
  • Vaulted Deep raised $35M (Debt Financing) on September 22, 2026.
  • Evolution Metals & Technologies raised $31M (Convertible Note) on September 18, 2026.
  • Rebaba raised $4.6M (Seed) on September 9, 2026.
  • Kura Dynamics raised $3.4M (Pre-Seed) on September 7, 2026.
  • Credoxys raised an undisclosed amount (Series A) on September 5, 2026.

Who to call at Cosmos Lab, and when

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Company Information

Company

Cosmos Lab

Location

South Korea

About

Cosmos Lab is a next-generation non-lithium battery cell company focusing on the development of aqueous zinc-halogen batteries. It aims to maximize energy density and space efficiency while maintaining high safety standards. The company is engaged in the integrated development of battery components, covering the entire lifecycle from materials to cell operation. Cosmos Lab targets mass production by 2027 and plans to become a leader in the AI data center and grid energy storage markets.

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Cosmos Lab raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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