With over 90 years of expertise in electrical measurement, Hioki delivers precision solutions that drive progress in battery research, production, and performance. From materials and cells to modules, packs, and second-life systems, our instruments support the full battery lifecycle. We specialize in ultra-fast resistance measurement, impedance analysis, wideband power evaluation, EIS-based diagnostics, and insulation testing. Trusted by industry leaders worldwide, Hioki tools provide the reliable data engineers need to improve quality, efficiency, and safety in both R&D and manufacturing environments.