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USB Power Tester Voltage Current Capacity Meter 4-20V 3A Test Chargers & Cables For Sale
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USB Power Tester Voltage Current Capacity Meter 4-20V 3A Test Chargers & Cables:
- Measure USB charging voltage, current, and discharge capacity over time
- Check the performance of USB cables, wall chargers, car chargers, and power banks
- Fast-charger compatible, works up to 20V and does not interfere with quick charge negotiation
- Voltage range: 4-20V • Max Current: 3A • Resolution: 0.01V, 0.01A, 1mAh
- mAh measurement survives power loss • Size: 7.25×2.5×1.35cm
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