3.5V-7.0V Digital USB Mobile Power Charging Current Voltage Tester Meter Mini USB Charger Doctor Voltmeter Ammeter LED Display

-1%

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4

4

5.0

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1

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1

1

-11%

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1

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1

2

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0

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0

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1

1

5.0

-14%

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0

0

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0

-0.5%

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4

10

4.8

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0

0

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1

1

-12%

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1

1

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0

0

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0

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2

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1

0

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1

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-15%

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1

0