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⚡ Power up your precision — never miss a charge detail again!
The Klein Tools ET920 USB Power Meter is a compact, dual USB-A and USB-C tester designed for professionals who demand precise voltage (3-20V) and current (up to 5A) measurements. It offers continuous monitoring for up to 1000 hours, stores up to 10 readings for easy comparison, and features overload detection to safeguard your devices. Ideal for verifying USB chargers, power banks, and cables with quick charge compatibility, this tool blends durability with advanced data tracking to keep your tech performance transparent and reliable.










| ASIN | B07FMHHS43 |
| ASIN | B07FMHHS43 |
| Best Sellers Rank | #20,539 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #45 in Voltage Testers |
| Brand Name | KLEIN TOOLS |
| Color | Orange |
| Customer Reviews | 4.6 4.6 out of 5 stars (337) |
| Customer reviews | 4.6 4.6 out of 5 stars (337) |
| Date First Available | 4 September 2018 |
| Department | Unisex-Adult |
| EU Spare Part Availability Duration | 1 Years |
| Global Trade Identification Number | 00092644691386 |
| Included Components | USB Digital Meter, USB-A (Type A) |
| Is Discontinued By Manufacturer | No |
| Item Dimensions | 21.2 x 3.2 x 1.4 centimeters |
| Item Length | 2.84 Inches |
| Item Type Name | USB Power Meter, USB-A Digital Meter for Voltage, Current, Capacity, Energy Resistance |
| Item Weight | 0.07 Pounds |
| Item Width | 1.25 Inches |
| Item model number | ET900 |
| Manufacturer | KLEIN TOOLS |
| Manufacturer | KLEIN TOOLS |
| Maximum Operating Voltage | 20 Volts |
| Measurement Type | Voltmeter, Ammeter, Ohmmeter |
| Minimum Operating Voltage | 3 Volts (DC) |
| Model | ET900 |
| Part Number | ET900 |
| Power Source | Powered By Usb |
| Product Dimensions | 21.21 x 3.23 x 1.4 cm; 31.75 g |
| Specification Met | Likely Meets Various Industry Standards and Certifications, Including Fcc, Ce, and Ul |
| Style Name | USB-A Meter |
| UPC | 092644691386 |
| Upper Temperature Rating | 85 Degrees Celsius |
M**N
seh informativ
L**S
Bueno y útil, idénticas medidas de voltaje que la Power Z, recomendado.
L**O
La grandezza delle lettere sul display richiede gli occhiali se hai più di 50 anni
M**.
Muy buena herramienta
S**H
Being an old electronics technician (retired) USB ports are a mystery. How much voltage? How much current? This is the good tool and shows all this. Good trouble shooting tool and looks rugged enough to toss into the tool kit. It works well.
Trustpilot
2 months ago
4 days ago