This solution brief describes a safer and faster alternative to testing energy storage equipment with physical battery packs. Keysight high-power ATE system power supplies operate as programmable bidirectional battery emulators, allowing engineers to model voltage, capacity, internal resistance, state of charge, temperature, aging, and charge-discharge behavior. The same unit can source current like a discharging battery or sink current during charging, enabling realistic validation of inverters, chargers, and regenerative systems. Automation software applies dynamic battery curves, manages complex sequences, and captures real-time data without manual coding. The approach reduces battery purchases, eliminates long charge cycles, improves repeatability, lowers safety risk, and returns unuse

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