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    7A 120W USB Tester for Voltage/Power/Current

    Low price 7A 120W USB power tester is designed to monitor variables such as voltage, current, and power consumption in real time when a USB power source is connected to the device. Safety digital USB tester is useful for evaluating the performance of USB-powered devices such as smartphones, tablets, or other gadgets.
    SKU: ATO-USBT-58
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Digital USB port tester is used for detecting USB voltage, power and current. Multifunctional 120W USB power meter comes with a 2.0-inch LCD high-definition display, 7A current, 4~28V voltage, Type-C input & output interface, and supports various fast charging protocols.


    • Model: ATO-FNB58
    • Material: ABS
    • Monitor Voltage: 4~28V
    • Monitor Voltage Resolution: 0.00001V
    • Monitor Voltage Accuracy: ± (0.2‰+2)
    • Monitor Current: 0~7A
    • Monitor Current Resolution: 0.00001A
    • Monitor Current Accuracy: ± (0.5‰+2)
    • Monitor Power: 0~120W
    • Monitor Current Resolution: 0.00001W
    • Monitor Current Accuracy: ± (0.5‰+2)
    • Load Equivalent International Resistance: 0~9999.9Ω
    • Load Equivalent International Resistance Resolution: 0.0001Ω
    • Load Equivalent International Resistance Accuracy: ± (0.5‰+2)
    • Capacity: 0~9999.99Ah
    • Energy Used: 0~9999.99Wh
    • Cable Resistance: 0~9999.99Ω
    • D+/D- Voltage: 0~3.3V
    • D+/D- Voltage Resolution: 0.001V
    • D+/D- Voltage Accuracy: ± (1.0%+2)
    • Equipment Temperature: ℃/℉


    • Digital USB tester has a 2.0-inch full-color ultra-wide viewing angle TFT LCD display, integrated USB-A, Micro-USB, and Type-C interface.
    • Small USB power meter uses an external 16-bit ADC, PD protocol physical chip, which can be used to test the fast charging protocol of chargers.
    • High quality 7A 120W USB meter can be used to measure the power supply or power consumption of products such as USB interfaces, mobile phone chargers, and U disks, and can be used to measure the charging power of mobile phones and the input and output of mobile power supplies.


    USB tester dimension


    USB tester details


    USB tester applications

    Tips: Why choose a USB tester?

    Choosing a USB tester is essential for several reasons. Firstly, it provides real-time monitoring of voltage, current, and power in USB connections, enabling users to diagnose and troubleshoot issues related to charging or power delivery. This data helps in optimizing device performance and ensuring compatibility. USB testers are particularly valuable when dealing with various USB-powered devices, allowing users to make informed decisions about power management. Additionally, these testers help users identify faulty cables or chargers, preventing potential damage to devices. With compact designs and user-friendly interfaces, USB testers offer a convenient solution for assessing the health and efficiency of USB-connected gadgets, making them indispensable tools for tech enthusiasts and professionals alike.

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