Compact and original USB tester with monochrome LCD display, energy meter function and battery charger for mobile phones and tablets. It allows you to view, not only the actual voltage and current taken from the USB port, but also calculates the total current absorbed by the device to be recharged and stores it. The tester is suitable for checking the capacity of powerbanks, cell phone batteries, tablets and everything that is charged through the USB port. It also has a button that allows you to select, by pressing it briefly, one of the 10 sets in which to memorize the total current or reset the memory (long press about 1.5 seconds).

• Display: monochrome LCD
• Data storage capacity: 10 sets
• Setting button: Yes
• Input voltage: 3 VDC to 9 VDC
  - Resolution: 0,01 volt
  - Accuracy: ± 1%
• Current monitoring range: 0 A to 3,5 A
  - Resolution: 0,01 A
  - Accuracy: ± (1% ± 5)
• Energy display mode: 0 to 39999 mAh
• Working Temperature: -10°C to +40°C
• Storage Temperature: -10°C to +50°C
• Humidity: <75%
• Dimensions (mm): 72x29x12
• Weight: 31 grams