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The ChargerLAB Power-Z C240 is a compact, metal-encased USB-C tester supporting up to 240W power and USB 2.0. Featuring a sharp 1.14-inch color display, it provides detailed real-time metrics including voltage, current, and power flow. Its bidirectional current support allows monitoring of both charging and discharging states, making it ideal for professionals and tech enthusiasts. Compatible with USB-C and USB-A devices (adapter required), this lightweight tester is CE, FCC, and UKCA certified, combining durability with advanced functionality for reliable power diagnostics.
| ASIN | B0C9Q3RT7Z |
| Best Sellers Rank | 104,292 in DIY & Tools ( See Top 100 in DIY & Tools ) 32 in Power Monitors |
| Brand | ChargerLAB |
| Colour | Dark Grey |
| Compatible Devices | USB-C and USB-A devices |
| Country Of Origin | China |
| Customer Reviews | 4.3 out of 5 stars 179 Reviews |
| Included Components | Metal |
| Item Dimensions | 37 x 24 x 8 millimetres |
| Item Weight | 0.41 Ounces |
| Item dimensions L x W x H | 37 x 24 x 8 millimetres |
| Item weight | 0.41 Ounces |
| Manufacturer | ChargerLAB |
| Manufacturer Part Number | 756166474147 |
| Measurement Type | Multimeter |
| Model Number | C240 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Specification Met | EN 61010-1 |
| Style | Industrial |
| Style Name | Industrial |
| UPC | 756166474147 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 50 Degrees Celsius |
R**.
Works quiet well
Works as well as advertised
A**C
Move along, move along...
Do NOT bother with this item. It's a simple device and priced at a significant premium to similar devices so you expect a reasonable degree of accuracy - but it's absolutely miles out. Wish I'd read the other 1* and 2* reviews first! The seller must surely be aware there is a problem but when contacted was unhelpful. Functionality - very simple compared to others. Accuracy - very poor. Readability - decent screen but does not rotate so annoying. Value for money - zero.
D**R
Great little display
This has proved to be insightful in monitoring both problematic USB devices, and interesting to watch whilst using/charging other USB devices. I haven’t found anything it doesn’t work with yet.
T**N
USB power meter
Great device. With this I can see the power consumption of my ESP32 devices as well as charging power of my laptop and every device in between.
D**G
it works
it works
A**X
good for troubleshooting
Amazing very nice tester, good for troubleshooting
P**5
Great to verify USB-C power
This is about as simple as it gets. Plug the monitor inline with your device and see how much power you're using in watts, amps, and volts upto 240 watts (the current maximum). Cumulative energy delivered in watt hours is also displayed. This information can be used to verify that your cell phone is charging at its maximum rate, or that your power supply is providing enough power for your computer to charge. If the display is off, no power is present. Did you plug in your power supply? Is it broken? Is the cable good? These questions can be answered with this simple device. It comes in a nice tin box for easy storage and protection.
P**T
produit utile et efficace
appareil très compact, affichage en temps réel U et I, et Puissance électrique; Renseigne sur le protocole du cable USB , très utile !
Trustpilot
1 month ago
3 weeks ago