V4Smart is a German battery cell manufacturer specializing in 100% Made-in-Germany ultra-high-performance 21700 cylindrical lithium-ion cells. From cell design to mass production, every step is carried out in our two locations in Southern Germany, ensuring a resilient, high-quality, and transparent European supply chain.

Our Generation 1 V21700 UHP-26 is already in mass production and applied in various hypercars, demonstrating proven automotive-grade quality through IATF 16949-certified manufacturing.

Building on this foundation, our Generation 2 portfolio expands the performance envelope: V21700 HP-5X combines significantly higher energy density with outstanding power capability, while V21700 (U)UHP-3X delivers extreme power performance for the most demanding applications.

Designed for markets where power, safety, and reliability are critical, V4Smart cells offer best-in-class power capability, ultra-fast charging, and outstanding thermal stability, enabling next-generation electrification across mobility, aerospace, and security applications.