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Notes:
1. Only one tester can be connected to the App at a time.
2. Once the Bluetooth is connected, the Test Button on the
battery tester will become unavailable.
Perform Battery Tests
The BatteryLab/BT20 app provides detailed instructions on how
to test a battery. Thus, to perform a battery / cranking / charging
test, simply follow the on-screen instructions.
Notes:
The battery testing function is only applicable to 12V lead-
acid batteries.
SECTION 6 FAQ
Q: What types of batteries does the BT20 work on?
A: 12V lead-acid batteries.
Q: How to determine whether the battery is good or bad?
A: The larger the battery capacity, the higher the voltage value of
the load test. Generally speaking, the load voltage should be
above 10V for batteries above 50Ah (500CCA); above 9.5V for
batteries above 20Ah (200CCA).
Q: Why does the device get hot after running tests?
A: The device tests the battery by simulating the vehicle load. It
is normal for the device to heat up.
Q: What is the maximum battery capacity supported by BT20?
A: It is not recommended to test batteries with a capacity
greater than 200Ah (2000CCA), because their output current
is too large and may cause the device to overheat.
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