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Two small green PCB boards with USB-A, USB-C and Micro-USB ports and four indicator LEDs

UMLIFE DT3 USB Cable Tester 2-Pack Type-C Micro USB-A

SKU CH-R06D-PPNQW

A compact 2-pack checker that lights up to confirm USB-C, Micro-USB and USB-A cables carry power and data correctly

  • Team affiliation2 Piece
  • Key featuresUSB Type-C Data Cable Test, false
  • Quickly identifies faulty cables with four LED indicators
  • Tests Type-C, Micro-USB and USB-A connectors in one tool
  • Detects both charging and data-pin faults separately
  • Compact 5×5 cm PCB fits in a tool bag or pocket
  • Two boards included for bench and on-the-go use

USB Cable Tester for Makers and Repairers

The UMLIFE DT3 is a compact two-piece kit that checks USB Type-C, Type-A and Micro data cables for continuity and charging capability. Hobbyists, technicians and anyone who accumulates mixed cables can verify each lead before trusting it with a device.

Passive Thermal Design and Bus Power

The board draws power from a Type-C supply port and runs without a fan or heatsink, so operation is silent and adds negligible load to the host charger. Four LEDs show power and data-line status; a fifth LED activates only when testing dual Type-C cables.

PCB Construction with Multi-Port Layout

Each tester measures 5 × 5 cm and exposes Type-C, Type-A and Micro ports in a fixed arrangement that covers common cable combinations. The bare PCB has no enclosure, so probes are inserted directly; users who need ruggedised housing or automated logging will need a different solution.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 87% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameUMLIFE
More details
Team affiliation2 Piece

Questions about this item

How do I install the UMLIFE DT3 tester and what step is often missed?

Connect a USB-C charging cable to the power port first, then insert each end of the cable under test into the matching Type-C, Type-A or Micro ports; the step people miss is powering the board before plugging in the test cable.

What maintenance or replacement will the DT3 need over time?

The board has no moving parts or batteries; keep the contact pads clean and replace the unit only if the indicator LEDs fail to illuminate on a known-good cable.

What limit appears first during sustained use of the DT3?

The tester draws power from the USB-C supply port, so the first limit is the current capability of that source; extended sessions are constrained only by the host charger or power bank rating.

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