USB Charger Tester – Voltage, Current & Battery Capacity Meter

$13.14 $15.71

USB Charger Tester – Multifunctional Voltage, Current & Battery Capacity Detector

Know exactly what your USB charger or power bank is delivering. This compact USB Charger Tester gives you real-time readings of voltage, current, and battery capacity in one easy-to-read display — perfect for tech enthusiasts, DIYers, and anyone who wants to verify their charging setup is performing as expected.

Key Features

Multifunctional Measurement: Monitors voltage, current, and battery/power bank capacity simultaneously.
Wide Operating Range: Input/output voltage range of 3V–9V; reliable across operating temperatures from -40°C to +85°C.
Compact & Portable: Plugs directly into any USB port — no extra cables or adapters needed.
Instant Readings: Real-time digital display for quick and accurate diagnostics of USB chargers, power banks, and mobile devices.
Computer Compatible: Works with computers, laptops, car chargers, wall adapters, and more.
No High-Concern Chemicals: Contains no high-concern chemical substances for safer everyday use.

Specifications

Supply Voltage: Input/Output 3–9V
Dissipation Power: 9V
Operating Temperature: -40°C to +85°C
Condition: New
Quantity: 1 unit
Country of Origin: Made in Mainland China

Who Is This For?

Whether you're testing a new charger, checking whether your power bank holds its rated capacity, or diagnosing a slow-charging issue with your phone, this USB tester gives you the data you need at a glance. It's a must-have tool for anyone who relies on USB-powered devices every day.

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Frequently Asked Questions

Q: What does this USB charger tester measure?

A: This multifunctional USB charger tester measures voltage, current (amperage), and battery/power bank capacity in real time. It helps you verify whether your USB charger or power bank is outputting the correct values and performing as rated.

Q: What devices is this USB tester compatible with?

A: The USB charger tester is compatible with a wide range of USB-powered devices and power sources, including wall chargers, computer USB ports, car chargers, and power banks. It supports an input/output voltage range of 3V to 9V.

Q: Do I need any tools or cables to use this tester?

A: No additional tools or cables are required. Simply plug the USB charger tester directly into your USB port or charger, connect your device, and the display will show live voltage and current readings immediately.