XL Batteries (Series A)
Funding Details
Awarder
Inbox
Date Award
September 17, 2025
Vertical
Energy Storage
Funding Amount
$7,500,000
Company Info
Founders
Columbia University scientists
Market
Grid Operators, Independent Power Producers, Data Centers, Heavy Industry
Location
Marlborough, MA, USA
Coinvestors
Merrin Investors
Company Description

Founded by Columbia University scientists, XL Batteries is pioneering the world's lowest-cost, safest, and most efficient long-duration energy storage solution. By combining proven flow battery architecture with a patented organic chemistry, its revolutionary technology meets the unique needs of grid operators, independent power producers, data centers and heavy industry.

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