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ChargerLAB Power-Z KM003C Portable USB-C Fast Charging Tester PD3.1 QC5.0 Digital Voltmeter & Ammeter Power Bank Tester

ChargerLAB Power-Z KM003C Portable USB-C Fast Charging Tester PD3.1 QC5.0 Digital Voltmeter & Ammeter Power Bank Tester

Q: I need to test the power on pc ports while using 20gbps external drives. will this support that? if not how high will it go?

Yes, it works. I tested it with a Lexar NM620 512GB M.2 NVMe SSD in an Silverstone MS12 external USB 3.2 Gen 2x2 20Gbps enclousure. Normaly i get 2100MBps read/write speeds. When i use the Power-Z to measure the power consumption i get read speeds about 1600MBps and 2000MBps write speed.

Q: Does this test for faulty/slow (usb 2.0) cables aswell? i need something to verify usb-c cables are 5/10/20/40gbps.

The tester can detect the E-Marker Chip of the cable, which can display its specs info, such as charging speed and data transmission speed. But most USB 2.0 is not equipped with E-Marker Chip, so the tester cannot test it.

Q: Can i use a usb-a adapter to test usb-a ports?

It can support testing USB-A devices using a USB-C to USB-A cable. You can also use a USB-A adapter, but test results may be affected by the adapter.

Q: How to test chargers with attached cable? Is there a male to female adapter included?

Firstly, there is no male to female adaptor included, but you can also test the charger with attached cable. Just put the tester between the load (like your laptops, phones) and the attached USB-C cable. Or simply insert the attached cable into the USB-C Female (Receptacle) of KM003C and connect the tester to an independent power supply. For more tech support info, you can visit: https://www.chargerlab.com/km003c-km002c-technical-support/

Product ID: 524979955

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Details

Brand
ChargerLAB
Power source
Usb Type-c
Style
Compact
Colour
Silver
Item weight
0.58 Ounces

⚡PD3.1 fast charging support

📊1.54-inch high-contrast LCD display

🔍Multi-protocol testing suite

Frequently Bought Together

ChargerLAB Power-Z KM003C Portable USB-C Fast Charging Tester PD3.1 QC5.0 Digital Voltmeter & Ammeter Power Bank Tester

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Description

⚡ Power up your tech IQ with precision testing on the go!

CERTIFIED RELIABILITY - FCC certified for trusted performance and international compatibility.
COMPACT LIGHTWEIGHT - Weighing just 16.4g with a slim 3.65cm profile—carry precision power analysis anywhere.
CRYSTAL CLEAR DISPLAY - 1.54-inch gravity-rotatable LCD with high contrast UI for effortless data reading anytime.
NEXT GEN FAST CHARGING - Supports cutting-edge PD3.1 & QC5.0 protocols for ultra-efficient power delivery.
ALL IN ONE POWER DIAGNOSTICS - Voltage, current, capacity, E-marker, PDO, and protocol tests in one sleek device.

The ChargerLAB Power-Z KM003C is a compact, lightweight USB-C fast charging tester featuring PD3.1 and QC5.0 support. It boasts a large 1.54-inch gravity-rotatable LCD with high contrast for easy reading and offers comprehensive multi-protocol testing including voltage, current, capacity, and E-marker diagnostics. FCC certified and designed for professionals who demand precise power analysis anywhere.

Specifications

Manufacturer	ChargerLAB
Part Number	KM003C
Product Dimensions	3.55 x 0.87 x 3.65 cm; 16.44 g
Item model number	KM003C
Colour	Silver
Style	Compact
Power Source	Usb Type-c
Item Package Quantity	1
Certification	FCC
Batteries included?	No
Batteries Required?	No
Item Weight	16.4 g

Have a Question? See What Others Asked

I need to test the power on pc ports while using 20gbps external drives. will this support that? if not how high will it go?

Does this test for faulty/slow (usb 2.0) cables aswell? i need something to verify usb-c cables are 5/10/20/40gbps.

Can i use a usb-a adapter to test usb-a ports?

How to test chargers with attached cable? Is there a male to female adapter included?

Reviews

A**Y

Very useful device for anyone in the IT industry

Bit of a niche product and a little expensive, but very useful if you have a pile of random USB-C cables and need to find their current, voltage and speed capabilities. Also good for interrogating USB-C PD chargers.Whilst I appreciate the compact size, it would be good if they made a slightly larger version with a bigger screen.

8.05.2025

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