DC 4-30V LCD USB Detector Voltmeter Ammeter Mobile Power Charger Capacity Tester Meter Voltage Current Meter Charging Monitor

Product selling points: 1. Simultaneous display of voltage and current mAH data, easy to view can detect mobile power output mAH 2. Multi-group detection data preservation, power failure preservation function does not affect data transmission 3. Higher precision, current parameters will not jump basically current sampling 25 mOhm loss smaller 4. With precision current calibration function, higher current accuracy 5. Safe charging, real-time monitoring and control of your charging data

Main parameters: Input voltage: 4-30V Voltage resolution: 0.01V Test current: 0-3A Current resolution: 0.01A Capacity range: 0-19999mAH Accuracy: plus or minus 1% Line loss: about 0.1Ohm

Packing list: Voltage and current meter *1