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Joshua
> 3 dayWorks really great and keep everything up to date at any change of current.
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Cam-Tech
> 3 daySo far plug works great, however the LED is not very bright, so in daylight, it is hard to see the voltage readout.
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John P. Moriarty
08-06-2025Love it.....what can I say
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Diane O.
Greater than one weekI use this in my camper to monitor battery condition. I just had to replace the deep cycle batteries from letting them get too low. This not only keeps a monitor on voltage, but I dont have to give up any USB charging slots. Only thing is that it was a little short, (before it flares out at the display end). One of the outlets that I use it in would not make contact. I had to do a little modification, and now all is well.
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Colin Winger
> 3 dayWorks exactly as advertised and I tested the battery voltage gauge against a Fluke multimeter and it was almost exactly on.
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Gaetano Schmeler
> 3 dayNow I can charge my phone in the car and that is very beneficial
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Matt
> 3 dayI bought this charging port so that I could add an additional USB port. Build: When I got this in the mail and opened it, I was pleasantly surprised by the build quality. It is heavy and feels much more solid than I expected. Charging: I haven’t noticed any difference in the speed of charging, however it charges both my GPS and phone at normal speed. Display: The power display is a nice little bonus on this! Good to know the output of your battery. Just know that if you are leaving both ports plugged in you won’t be able to see the display, but not a huge deal either way.
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Alison Marie
Greater than one weekAwesome usb car charger, but Im giving it 4 stars as the voltage is 0.1 too low (I measured with two voltage meters). I wish its voltage was more accurate.
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Stacy Spear
> 3 dayThis thing puts out a lot of juice. I didnt measure or test it, I just plugged it in and Ive had people comment on how fast their device charged in just a few minutes riding with me. It is by far the heaviest 12v adapter Ive used, which indicates that it is made from heavy-duty components. It seems to be 2-3x heavier than the weak charger it replaced. Id buy it again!
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Rachel
> 3 dayThis is quality! Top notch and charges my phone faster than any other charger I have using the same USB cord. Great product. You will not be disappointed!