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Emulate, profile, and optimize battery performance
Keysight BE3-class battery emulators include the E36731A Series, which accelerates battery-powered device development through precise battery emulation, profiling, and power analysis. With the latest firmware, the E36731A now supports native 2‑quadrant operation directly on the instrument, enabling both source and sink functionality without relying solely on software workflows. Combined with battery emulation and profiling capabilities, it provides a comprehensive platform for battery characterization and device power validation. Request a quote or order a Keysight battery emulator today.
Battery emulation
Simulate battery behavior with high precision to test devices under controlled, repeatable conditions, without the need for actual batteries.
Integrated battery profiler
Create a digital twin of a real battery, and then test under active device load conditions to get an accurate analysis of device battery usage.
Native 2‑quadrant operation
Operate directly in source and sink modes on the E36731A through the latest firmware for more flexible bidirectional power testing.
Built-in electronic load
Integrated electronic load functionality complements native 2‑quadrant operation, enabling comprehensive power source and battery emulation testing in a single instrument.
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Maximum power
200 W
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Maximum voltage per output
30 V
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Maximum current per output
20 A
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Number of outputs
1
Typical configuration
BE3-class Battery Emulator, with battery profiler software
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Frequently asked questions
A battery emulator is an advanced electronic device designed to simulate the behavior and performance of a real battery without the need for a physical battery. It works by providing a controlled, programmable electrical output that replicates the voltage, current, and power characteristics of a battery during various charge and discharge cycles. Battery emulators are commonly used in battery testing, electric vehicle (EV) development, renewable energy systems, and power management research to test and validate battery-powered devices, battery management systems (BMS), and charging circuits. By precisely adjusting parameters like internal resistance, state of charge (SoC), and dynamic load conditions, battery emulators allow engineers to conduct accurate, repeatable tests without the inconsistencies of real batteries.
A battery profiler and a battery emulator serve distinct but complementary roles in battery testing and development. While a battery emulator simulates the electrical behavior of a battery by providing a controlled, programmable output to replicate charge and discharge cycles, a battery profiler focuses on monitoring, measuring, and analyzing the real-time performance of an actual battery. Battery profilers collect detailed data on key parameters such as voltage, current, temperature, state of charge (SoC), and state of health (SoH) under various operating conditions. This helps engineers create accurate battery models, optimize battery management systems (BMS), and improve the design of energy storage solutions for electric vehicles (EVs), consumer electronics, and renewable energy systems.
Emulating different battery charge states enables you to simulate real-world scenarios and understand how your device performs under various levels of charge. This capability is crucial for evaluating the effectiveness of design modifications on battery life.
A battery emulator helps extend battery life by enabling precise current drain analysis and power consumption optimization. By simulating a battery’s behavior under various load conditions, it allows engineers to test how a device draws power during different operating states such as active use, idle mode, and sleep mode without relying on physical batteries. This real-time data helps identify power-hungry components or inefficient processes, guiding design improvements that reduce energy consumption. As a result, devices can achieve longer battery runtimes or be designed with smaller batteries without compromising performance. Battery emulators are essential for developing energy-efficient products, especially in industries like consumer electronics, IoT devices, wearables, and electric vehicles (EVs).
Yes, battery emulators are well-suited for both design and software testing. Its capability to emulate any battery charge state makes it a valuable tool for assessing the impact of various factors on your device's battery life.