Mini USB Voltage Current Tester

Mini USB Voltage Current Tester gives you clear, instant insight into your device’s power performance. This compact tool makes it easy to understand what’s really happening inside your charging setup.

Mini USB Voltage Current Tester – Benefits for You

✅ See real-time voltage and current so you always know whether your devices are charging efficiently.

✅ Track charging and discharging activity over long sessions, helping you spot performance drops.

✅ Enjoy simple plug-and-play use so you can check any USB port without extra tools.

✅ Test a wide range of USB-powered devices, giving you flexibility across chargers, power banks, and computers.

✅ Diagnose weak cables or aging chargers so you can avoid slow charging and wasted time.

Take quick control of your charging setup with this easy-to-use diagnostic companion.

The tester features a bright digital display that shows essential readings at a glance, making it ideal for everyday users, technicians, and hobbyists who want reliable information without complicated equipment. Its compact blue housing slips easily into a bag or drawer, ready to use whenever you need insight into your power sources.

With a measurement range designed for common USB devices, it helps you verify whether your phone charger is delivering proper voltage or if a power bank is performing as expected. The unit measures voltage from 4 to 20 volts and current up to 3 amps, offering dependable accuracy for typical charging environments.

The plastic body provides a lightweight feel while remaining sturdy enough for regular use in home setups, office workstations, or lab benches. The tool’s built-in timer, which can record up to 99 hours of charge or discharge activity, offers valuable information for long-duration testing.

Its straightforward interface ensures you can quickly interpret the readings and make practical decisions about your cables and charging accessories.

The slim size fits easily into any toolkit, making it a reliable partner for anyone who frequently checks electronics or maintains multiple devices.

Upgrade your testing workflow today and experience clearer insight into your USB power sources.