XL Batteries

Charging Ahead

Paris, United States · $46.0M raised

Headquarters
Paris, New York
Business Model
B2B
Total Funding
$46.0M
Last Round
$9.5M SeedSep 2025
Rounds
7

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. It has raised $46.0M in total across 7 rounds, most recently a $9.5M Seed round in Sep 2025. Investors include Merrin Investors, Catalus Capital and The Engine.

Funding History

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Series ASeries ASep 2025

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Seed — per-round amounts, valuations, and who invested in each round.

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