How to Perform Battery Cycling

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Regenerative ATE System Power Supply
+ Regenerative ATE System Power Supply
Regenerative ATE System Power Supply
+ Regenerative ATE System Power Supply

Analyze Battery Performance for Accurate Characterization

Battery testing requires repeated charging and discharging to accurately characterize performance, lifespan, and efficiency under real-world conditions. A regenerative power supply is the ideal tool to perform these tests using a single system. It is a bidirectional DC source that can both supply current to charge the battery and absorb current to discharge it. This dual functionality makes it far more efficient and practical than using separate power supplies and electronic loads. Additionally, the recovered energy is converted back into AC power and returned to the electrical grid, reducing energy consumption, lowering operational costs, and decreasing the need for large-scale cooling systems.

For energy storage battery cell tests, this bidirectional capability replicates realistic scenarios such as vehicle charging and regenerative braking within one compact system. The power supply precisely controls charge and discharge cycles while monitoring key parameters like voltage, current, and capacity. This enables thorough evaluation of a battery’s longevity, reliability, and overall performance. By recovering up to 90% of energy during discharge, a regenerative power supply not only improves testing efficiency but also supports a more sustainable and cost-effective testing environment.

Battery Cycling Test Solution

Analyzing a battery’s lifespan, charging speed, and depth of discharge requires efficient cycling testing. The Keysight regenerative ATE system power supply is ideal for this task, operating in a two-quadrant mode that functions as both a DC power supply and an electronic load, seamlessly transitioning between charging and discharging. The regenerative capability, which captures energy during the discharge phase and feeds it back to the electrical grid, improves test efficiency and reduces energy costs. The power supply also provides simultaneous voltage and current measurement, with built-in calculations for power, amp-hour, and watt-hour to support detailed energy storage and efficiency analysis. Multiple units can be paralleled for high-power testing, making it a scalable and practical solution for battery validation.
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