What are benefits of using a battery simulator to simulate a battery?

hat are benefits of using a battery simulator to simulate a battery?

When developing battery-powered equipment, R&D engineers need to preset many batteries to various charging states when only using batteries, which takes a lot of time. In fact, we can use battery simulator to avoid such a long battery preparation time. The battery simulator can reduce test setup time and create a safer test environment that provides repeatable test results compared to tests using real batteries. Let us look at the benefits of using the simulator.

Safe test

Batteries, especially newer lithium-ion designs, contain higher savings energy. Under normal operating conditions (eg temperature, charge rate, discharge rate), the battery can be used safely. However, some unexpected situations may occur during the test. During the design phase, the device under test may not function properly and cause the battery to overcharge or over discharge. To make matters worse, the device under test may fail or enter an unexpected state, which may absorb excessive current from the battery, which may cause fire, explosion, chemical leakage and other risks.

In contrast, the simulator is a safer option than a real battery. The battery simulator includes electronic protection circuitry, such as overvoltage and overcurrent protection, which interrupts the test when problems occur in the test. Removing the true battery from the test, the failure of the device under test will not cause battery-related hazards.

Good repeatability

Constantly cycling the battery can result in inconsistent test results and reduced battery life. When the battery manually adjusted to the desired state of charge, it is difficult to guarantee an exact state of charge. Normally, by fully discharging the battery and then charging the battery to the desired state of charge. This results in additional recycling of the battery and accelerates battery aging. Battery performance will change over time, and R&D engineers cannot guarantee that the aging battery will charged to the desired state of charge. Therefore, testing with an aging battery can produce inaccurate results.

The simulator can get more consistent and repeatable test results than testing with a real battery. It eliminates the uncertainty associated with battery aging and can determine the state of charge of the battery.

To sum up

Using battery simulator could speed up test results, enhance security, and provide more consistent test results.

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