I recently purchased a MakerHawk USB-C test meter ( back of the device says Keweisi model KWS-1802C ) for a product review. The device comes alone, no cables or anything which is fine.
I don’t know if the average user would have a need for such a device, but since I like to play around with technology and post on my blog I figured it would be a nice addition to my toolkit. I already have a USB-A to USB-C cable with a built-in V/A display, and a USB-A to microUSB cable with built-in V/A display but I didn’t have anything for USB-C to USB-C.
The charger shows voltage, amps, time charging, watts, mAh and temperature.
To test the charger out, I tried various things:
- Tested a Choetech and Inateck USB-C PD charger against various devices ( two Chromebooks and a Samsung S9+ ). I saw a range of voltages from 5V on the S9+ all the way to 15V from my Lenovo Chromebook C330.
- I tested a RAVPower powerbank with my Lenovo Duet. It was interesting because I was able to have the Duet charge the powerbank, and also have the powerbank charge the Duet. In both cases, the meter property showed the direction of flow.
- The highest voltage was when I was charging the RAVPower powerbank, it was almost 20V (about 30W) which seems to be the max charging input.
Here are some product pictures:
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| Some of my equipment |
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| The MakerHawk shows the USB-C measures, and the Choetech shows the voltage on the USB-A. |
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| Chromebook Duet is charging the battery pack (arrow shows current flowing out) |
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| Battery pack is charging the Chromebook Duet (arrow shows current flowing in) |
Here are the main points I noticed about this product:
Easy to use: Just plug it in and use it, nothing special
Reversible: It measures flow in both directions, so you can plug the meter into your charger or the device being charged.
Budget friendly: Very inexpensive little gadget to help you with any testing you need to do.
Bottom line: Neat addition to the toolkit of anyone that is into technology.
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