Your Source for Venture Capital and Private Equity Financings

VC-funded Company:

XL Batteries
33 Locke Dr.
Marlborough, MA 01752
Phone: 717-903-8657
https://xlbatteries.com/

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.

Key Contact
Name
Tom Sisto
Title
CEO
Funding Events

Date
Amount
Type
Investors
Valuation
09/17/25 $7,500,000 Merrin Investors
undisclosed