XL Batteries

Charging Ahead

Paris, United States · Founded 2019 · $46.0M raised

Headquarters
Paris, New York
Founded
2019
Business Model
B2B
Total Funding
$46.0M
Last Round
Series ASep 2025
Rounds
7

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

About

XL Batteries develops organic flow batteries for grid-scale, long-duration energy storage. The company's technology provides the lowest-cost, safest, and most efficient solution to address rising grid demand from AI data centers, manufacturing, and mass electrification.

Summary

XL Batteries is an Energy company based in Paris, United States, founded in 2019. It has raised $46.0M in total across 7 rounds, most recently a Series A round in Sep 2025. Investors include Merrin Investors, Catalus Capital and The Engine.

Tech & App Stack

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Funding History

Series ASeries ASep 2025

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Funding: Seed. Amounts, valuations, and investors where available.

Investors

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