9 in 1 USB 5V 9V 12V 20V QC 2.0 3.0 OLED Current Voltage Charger Capacity Tester USB Charger Doctor Power Meter Text Voltmeter

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Specification

Resistance: 0-999.99Ω
Power: 0-150W
Voltage and current: DC4-30V; 0-5A
Timing, Delay: 0-99 hours; 0-24 hours
Voltage over-current protection range: 30V / 5A

Monitoring Content: USB voltage, current, power, capacity, power, timing and other data

Electical Energy: 0-999.9WH

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