maxwell+spark Closes $15M Series B Round with Klima, Chevron Technology Ventures and Idemitsu

Building a lithium-ion–based industrial battery ecosystem to replace diesel and lead-acid across forklifts, transport refrigeration, and backup power. Rotterdam, Netherlands — 24 October 2025 — Lithium-ion green-tech company maxwell+spark has completed its $15 million Series B funding round, led by Klima, Alantra’s Energy Transition Fund, which brings Chevron Technology Ventures (CTV) and Idemitsu on board.…