USB charger current and voltage meter, discharge capacity

Very useful for detecting charging issues on sophisticated digital devices or smartphones

Features:

Precision current calibration function.

Measures the current absorbed in mAh by the connected device, without influencing it in any way

Default display of voltage and current in mAh for easy viewing

Technical specifications:

Input voltage: 3V - 9V

Measurement accuracy: 0.01 V

Input current: 0.05A-3.50A

Current resolution: 0.01 A

Capacity range: 0-19999 mAh

Accuracy: +/- 1%

Contamination level 2

Backlit display

Operating temperature 0℃∽40℃

Storage temperature -10℃∽50℃

Relative humidity

Alarm for exceeding high voltage 5.3V Low when 4.7V