Klein Tools ET910 USB-A Power Meter Tester – Digital Voltage Current Capacity Energy Resistance Monitor 3–20V DC with Built-in Load Testing 0.5A–3A for USB Fast Charge & QC Ports

KLEIN TOOLS ET910 USB-A POWER METER TESTER

The Klein Tools ET910 USB-A Power Meter Tester is a professional-grade USB digital diagnostic tool designed for accurate monitoring and analysis of voltage, current, capacity, energy, and resistance in USB-A power sources. Ideal for electricians, technicians, and electronics engineers, this advanced USB power tester meter ensures precise performance evaluation of charging ports and devices.

Engineered for reliability, the ET910 USB-A digital meter supports a wide operating range of 3–20V DC and 0.05–3A current monitoring, making it compatible with most standard USB-A ports including Qualcomm Quick Charge systems. It provides real-time simultaneous readings, helping users quickly identify power performance, charging efficiency, and port stability.

Featuring built-in test loads of 0.5A, 1A, 2A, and 3A, this device eliminates the need for external load equipment, allowing fast and convenient testing of USB power output capability. The integrated memory function can store and recall up to 10 readings, making it ideal for repeated diagnostics and field work.

Designed with durability and portability in mind, this USB-A power analyzer tool features a compact clear display and robust build quality, ensuring long-lasting performance in professional environments.

KEY BENEFITS & FEATURES

• PRECISION USB POWER MONITORING – Measures voltage, current, capacity, energy, and resistance in real time
• WIDE VOLTAGE RANGE 3–20V DC – Compatible with most USB-A power sources and fast charging ports
• 0.05–3A CURRENT MONITORING – Accurate measurement for low and high power devices
• BUILT-IN LOAD TESTING SYSTEM – Includes 0.5A, 1A, 2A, and 3A test loads
• NO EXTERNAL EQUIPMENT REQUIRED – Simplifies USB power testing process
• COMPATIBLE WITH QUICK CHARGE PORTS – Supports Qualcomm QC and standard USB-A systems
• 1000 HOUR CONTINUOUS MONITORING – Long-duration performance tracking capability
• DATA STORAGE FUNCTION – Save and recall up to 10 test results
• OVERLOAD DETECTION SYSTEM – Ensures safety during high-power testing
• PROFESSIONAL GRADE TOOL – Ideal for technicians, engineers, and repair specialists

WHAT’S INCLUDED

• 1 x Klein Tools ET910 USB-A Power Meter Tester
• 1 x Built-in Test Load System (0.5A, 1A, 2A, 3A)
• 1 x User Instruction Manual
• 1 x Protective Packaging Unit