# MX18 USB tester, color LCD display, 4-30V, 0-6.5A

> MX18 USB tester with color LCD display, for monitoring charging and diagnosing USB devices. Measures voltage 4-30V, current 0-6.5A, power up to 200W, capacity 0-999999mAh/MWh and internal resistance 0-9999 ohms. Allows saving data in 1-9 groups and monitors internal temperature 0-80°C. Offers voltage and current calibration functions.

- Page: https://sigmanortec.ro/en/mx18-usb-tester-color-lcd-display-4-30v-0-65a
- Price: 48.22 RON
- Availability: In stock; 1-2 zile
- Reference: 7754004 · EAN: 5949362864675
- Category: Electronic components > Testing and Measurement
- Specifications: Supply Voltage: 4; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.; Model: MX18
- Package (shipping data): 0.016 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:33 (Europe/Bucharest)

## Description

USB tester for quick charging monitoring and device diagnostics, clearly displays voltage and current in the range of 4-30V and 0-6.5A on the color LCD, measures power up to 200W and accumulated energy in mAh and mWh, allows saving measurements in 1-9 groups and tracks internal temperature for stable and accurate checks.
USB tester, MX18, for monitoring and analyzing USB charging parameters, which has the ability to measure voltage between 4-30V, current between 0-6.5A, accumulated energy between 0-999999MAH and MWH, power up to 200W, and internal charging resistance between 0-9999 ohms.
It allows data to be grouped into 1-9 sets and monitors internal temperature between 0-80 degrees Celsius. With easy-to-use functions for viewing data, deleting groups and calibrating voltage and current, the MX18 is essential for diagnosing and optimizing USB devices, allowing you to check multiple characteristics of the charged device's battery.
The product has fine scratches on the casing from the factory. If this is bothersome, please do not purchase.
Specifications:
Working voltage: 4-30V
Current: 0-6.5A
Battery capacity: 0-999999mAh
Energy hours: 0-999999MWh
Timing duration: 0-99 hours
Power: 0-200W
Internal load resistance: 0-9999 ohms
Data groups: 1-9
Internal temperature: 0-80°C
Use:
- Press the button to view the charging data saved in groups 1-9.
- Press and hold the button for 3 seconds to delete the upload data from a specific group.
- Press the button twice quickly to change the displayed page.
- To calibrate the voltage, hold down the button, connect the device and follow the on-screen instructions to adjust the displayed voltage.
- Current calibration is done automatically after the voltage calibration procedure and the device returns to the main page for normal use.