USB Power Meter Voltage Current Tester Multimeter USB Charger Current Voltage Capacity Detector for Computer Phone Power Bank

【Bidirectional Measurement】 The tester can be connected to the charging adapter and also to the charging cable plug, making it easy to troubleshoot charging problems with digital devices.

【Data Storage】 Intelligent memory capacity for monitoring and storing measurement data, up to 10 sets of measurement data. Data can be erased with a single button, preventing data loss.

【Intelligent Flash】 High or low voltage will trigger an alarm. An arrow on the LCD screen and the backlight will flash. Pressing the LED button will illuminate the alarm for 30 seconds.

【Accurate Measurement】 Accuracy: ±1%, providing precise measurement data. Input Voltage: 3V-7V, Voltage Resolution: 0.01V, Test Current: 0.05A-3.50A, Current Resolution: 0.01A, Power Range: 0-19999mAh

【Test Range】 Improves charging efficiency, protects electronic equipment, perfect measurement for tablets, mobile phone batteries, rechargeable batteries, 5V routers and any other 5V USB digital device, current, voltage and battery capacity