BMZ GmbH (BMZ Group) is a Germany-based developer and manufacturer of lithium‑ion battery systems for industrial, mobility, and stationary energy applications. Headquartered in Karlstein am Main, the company designs and produces rechargeable battery packs and modules, battery management electronics, and charging solutions for OEM customers.
BMZ supplies energy storage for e‑mobility (such as e‑bikes and light electric vehicles), power and garden tools, intralogistics and industrial equipment, medical and consumer devices, and residential and commercial battery storage. The company operates development and production sites in Germany, Poland, China, and the United States to support regional markets and large‑scale manufacturing.
Its activities span product design, testing, and certification, with a focus on safety, performance, and lifecycle services, including maintenance, repair, and second‑life concepts in cooperation with recycling partners. BMZ invests in R&D to enhance cell and pack technologies, aiming to improve energy density, durability, and supply security for European customers.
