Maxwell + Spark

maxwell+spark – Cool tech. Cooler world.

Rotterdam, Netherlands · Founded 2017 · $15.0M raised

Headquarters
Rotterdam
Employees
51–200
Founded
2017
Business Model
B2B
Total Funding
$15.0M
Last Round
$15.0M Series BOct 2025
Rounds
1

About

maxwell+spark designs and manufactures modular lithium-ion battery systems for industrial logistics. Its products support material-handling fleets, refrigerated transport, and backup-energy applications, helping operators replace diesel engines and lead-acid batteries with electrified alternatives. The company develops systems around high-utilisation operating conditions, emphasizing fast charging, remote monitoring, modular design, long service life, and lower operating costs for fleet customers.

Summary

Maxwell + Spark is a Climate Tech company based in Rotterdam, Netherlands, founded in 2017. It has raised $15.0M in total across 1 round, most recently a $15.0M Series B round in Oct 2025. Investors include Alantra Energy Transition Fund, Chevron Technology Ventures and Idemitsu.

Tech & App Stack

4 technologies & apps tracked

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Funding History

Series BSeries BOct 2025
$15.0M

Investors

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