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Compact USB-C power meter with color screen and integrated connectors

diymore USB-C Power Meter Tester 240W 30V 12A

SKU CH-D2GM-W17T9

Measures voltage up to 30 V and current up to 12 A, supporting PD 2.0, PD 3.0, QC 2.0, QC 3.0 and other fast-charge protocols

  • Team affiliation1 Piece
  • Key featuresUSB C Tester Power Meter, Solar Powered, false
  • Product typeVoltmeter
  • Measures up to 240 W charging power with 30 V and 12 A range
  • Confirms charger compliance using PD 2.0, PD 3.0, QC 2.0, QC 3.0 and other protocols
  • Tracks capacity and energy over time with instantaneous and peak readings
  • Retains test data automatically if the connection drops during measurement
  • Tests power-bank capacity by discharging through the meter after a full charge

USB-C Power Meter for Charger Diagnostics

This USB-C power meter measures voltage from 4V to 30V and current up to 12A, delivering a maximum reading of 240W. It suits DIY enthusiasts and technicians who need to verify the output of wall, car or solar chargers and the cables that connect them.

Protocol Support and Data Logging

The tester recognises PD2.0, PD3.0, PPS, QC2.0, QC3.0, FCP, SCP, AFC, PE, DASH VOOC and Super VOOC protocols. It logs instantaneous values, cumulative energy, elapsed time and peak voltage, current and power, retaining the record even if the connection is interrupted.

Plug-In Operation with Capacity Test Routine

The meter draws power from the USB-C link itself, so no separate supply is required. To check a power bank, fully charge it first, insert the meter, double-click to clear previous data, then connect the load for a continuous discharge. Incorrect sequencing or an uncharged bank will yield invalid capacity figures.

Not for AC Mains or High-Voltage DC Work

The device is limited to 30V DC and cannot measure AC mains voltages or higher-voltage DC systems. Buyers who need to test household wiring, industrial three-phase supplies or EV charging circuits above 30V must use a different instrument.

How it compares

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

Price $23.99
Cheaper than about 67% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameDiymore
Product typeVoltmeter
More details
Team affiliation1 Piece

Questions about this item

At 12 A continuous draw, what measurement limit will be reached first — voltage, current or power?

The current limit of 12 A is reached before the 30 V voltage ceiling, so the 240 W power rating is never exceeded under normal operation.

Does the tester generate noticeable heat or fan noise when it runs all day at high load?

The unit is passively cooled with no fan; at full 12 A load it will warm up but the specifications give no temperature-rise figure.

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