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4.7 Battery Testing
Experimentation has proven that the DC Electronic Load is the best way to confirm the operability of
most batteries.. With the correct load test set-up, the battery expectant life curve can be confirmed.The
electronic loads can currently be used to test about any type of the battery.
For batteries that are embedded in other equipment or placed in uninterrupted power service systems,
it is vital to use a DC electronic load for testing battery life status. Because batteries are among the lowest
reliability components in such systems, it should be tested periodically using a DC electronicload for
viability and utility.
Battery Life StabilityTest
In Constant Current mode the Serial electronic load can test battery life stability Set up the load to
control voltage level. When the voltage of the battery is too low, the serial electronic load will identify the
battery being on the threshold value set or at the margin of an insecure state and will stop testing
automatically. When the load is in test mode, you can see the battery's voltage, battery discharge current,
electronic, load power and battery capability that remains. If the load is connected through PC software,
then you can see the battery discharge curve.. This test can measure the reliability and remaining life of
the battery. So it is important to perform the test before the battery is re-charged, or swapped out for a
newer battery.
Operation:
1） In standard constant current mode, adjust the load's current value to the same discharge current
value of battery needed.
2） Press both Shift+8(Battery)keys. When VFD display shows END TEST VOLT= xxxxxxxxV，
input the shut-off voltage and press Enter to start the battery life stability test. When the battery's
voltage drops to the turn-off voltage set, the load will automatically shut off.
3） Press the On/Off keys to start or pause the battery capability test.
4) Press both the Shift+8(Battery) keys to exit the battery life stability test mode.
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