About

About EMSYS Design EMSYS provides practical, field-ready battery test equipment and monitoring solutions for critical power users. We engineer, design, and manufacture all of our equipment in the USA, and provide reliable tools for maintenance testing, discharge monitoring, and real-time battery health tracking—available in both wired and wireless configurations. Our systems capture per-cell voltage and temperature, internal and interconnect resistance, and electrolyte level to give a complete picture of battery condition. Utilities, telecom providers, data centers, and industrial teams rely on EMSYS to verify performance, spot weak cells early, and extend battery life with confidence. From product selection and commissioning to long-term support, we make battery maintenance simpler, faster, and more dependable. Emsys provides battery testing, monitoring, and diagnostic solutions for utilities, telecom, data centers, and industrial power systems. Our portable testers, discharge monitors, and CellSPY battery monitoring systems help teams verify battery capacity, detect weak cells early, and improve the reliability of critical backup power infrastructure.