batterienhet

A batterienhet is a term used in several Germanic languages to denote a battery unit or battery module: a self-contained assembly of electrochemical cells packaged with supporting components such as housings, management electronics and connectors. The term is applied in contexts ranging from small consumer packs for portable electronics to large stationary units for energy storage and traction batteries in electric vehicles.

Typical components of a batterienhet include one or more cells (of chemistry such as lithium-ion, lead–acid, nickel-metal hydride or others), a battery management system (BMS) that monitors cell voltages and temperatures, thermal management elements, protective circuitry and mechanical mounting. Design priorities vary by application and may emphasize energy density, power delivery, cycle life, safety, cost and ease of maintenance.

Batterienheter are used in consumer devices, renewable energy storage, uninterruptible power supplies, transportation and industrial systems. Safety considerations focus on preventing overcharge, overdischarge, thermal runaway and mechanical damage; regulatory and industry standards govern testing, labeling and transport. End-of-life handling and recycling are important to recover materials and limit environmental impacts.

The word derives from a compound of terms meaning "battery" and "unit" and is used where modularity or packaged functionality is emphasized. Advances in cell chemistry, cooling, and battery management continue to shape batterienhet design and applications.