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The product has stable quality, is shaking-resistant and portable.
Based on sonar reflection principle, all the indexes of battery are analyzer by special alternating current signals which lead to very
accurate testing results.
Continuous testing won't damage battery, its safety.
First:, turn on and input:
Press the switch button for 1 second.
The screen gets lightening and Bee alarm will emit a "B" sound.
The screen shows moving digits, all test indexes and low battery caution index.
Press "OK" it gets into the step of CCA (Cold Cranking Ampere) value input.
Second, checking results display
First column: the voltage of the battery
Second column: the mΩ → resistance of the battery
Press "SEL", the screen shows next values display
First column: the input CCA value for the battery
Second column: the test CCA value of the battery