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 × 1.35 cm