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Pros & Cons
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It’s a handy device, just expect a bit of a learning curve. The seller seems very helpful and willing to answer any questions. The device is nice but it gives me all the info i needed.

The makerhawk power meter covers both usb c, usb a, and microusb (admittedly with a funky adapter piece but those devices are becoming more rare) it also allows you to test the speed of charging cables which is nice. This is a very handy tool to have ...  Read More

As bob barker once said, the price is right. Works well. Highly recommend. I recommend watching the video as it is helpful.


Worked nicely for a few times. Im now starting to question its durability and reliability.

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It has had no problems with my pixel 4a 5g phone which will only slow charge if its unhappy with the power delivery signals it ...  Read More

Highly recommended for the price and information

It has a micro usb adapter and the product pictures show it plugging into the corner but it seems obvious to me that its a usb ...  Read More

It all depends on how much the device is designed to accept where the battery is at in charging and the quality of the cable


As bob barker once said the price is right


The tester will pay for itself in testing whether the fast charges i have paid a lot extra for are charging at the rate expected


The upgraded multifunctionality focus on safety and variety of color screen display modes make it a great value for the price

This tester displayed around 1amp at 15volts

I ordered this so i could test an led worklight that wasnt coming close to hitting the advertised run time

  • How are reviewers describing this item?
    current and great.
  • Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 653.
  • Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
  • Our engine has determined that the review content quality is low.
  • Our engine has analyzed and discovered that 72.3% of the reviews are reliable.
  • This product had a total of 93 reviews as of our last analysis date on Feb 18 2023.
Helpful Insights


The AI used to provide these results are constantly improving. These results might change.

    Posted by a reviewer on Amazon

    It reports the capacity in two ways one is watthours total energy storage the other is total amphours

    Posted by a reviewer on Amazon

    For usb these ought to be just related by the constant voltage but for some devices the voltage could vary so you need both

    Posted by a reviewer on Amazon

    The instructions are not very great and it actually is a bit confusing which way to hook this up because some ports are outputs and some inputs and one is for powering the device

    Posted by a reviewer on Amazon

    Batteries often vary a lot on the amount of additional energy they need above their stored energy and thus also vary in charge time

    Posted by a reviewer on Amazon

    The important thing here is that most cheap battery makers mislead you by falsely advertising stored amp hours at the internal component battery voltage usually 3

    Posted by a reviewer on Amazon

    In short thats totally useless information

    Posted by a reviewer on Amazon

    More expensive battery makers dont do that cheat

    Posted by a reviewer on Amazon

    Ultimately all you really care about is watthours not amphours but seldom does amazon list that in the ads preferring to go by the misleading amphours and allowing shady powerbrick companies to list the internal but not external amphours

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