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Forum Discussion

byronjay's avatar
byronjay
Aspirant
Jan 18, 2019

NightHawk

I was away for the night and forgot my power adapter for my Nighthawk MR1100 mobile broadband router and so figured 5v was 5v and plugged the USB plug into my iPhone 4 power adapter USB-out and now t...
Hardware
michaelkenward's avatar
michaelkenward
Guru - Experienced User
Jan 19, 2019
byronjay wrote:

 

Now I review the adapters with a magnifying glass I can see the iPhone power pack is 2A output and the Nighthawk adapter is 1A. 

 

"Too many" amps should not matter. One fly in the ointment is that these things are increasingly "intelligent". But the device is supposed to take what it needs. Too few would be a bigger issue. But even that should not be a killer.

 

But what about the +/- polarity?

 

Apple is notoriously "individual" in its standards. Maybe it uses opposite polarity from Netgear.

 

Did the thing work OK with the iPhone adapter?

 

 

 

  • myersw's avatar
    myersw
    Master
    Jan 19, 2019

    Last I knew USB was USB as far as voltage pin out so as long as the cable for the router was used plugged into the Apple power brick things should just work. As said, the router should not care about more current available, it will only use what it needs. If you were to put an inline current meter in between the router and power brick you would find that the router is not pulling 1 amp from the OEM brick. 

     

    Have used Apple power bricks on lots of non Apple devices, such as Android tablets. 

    • michaelkenward's avatar
      michaelkenward
      Guru - Experienced User
      Jan 19, 2019

      There is a lot more these days to USB charging than USB is USB. What about 5 volt and 9 volt devices?

       

      In the case of the MR1100, the manual says: 

       

      "Quick Charge 2.0–enabled devices must be paired with Quick Charge 2.0–certified adapters."

       

      I have no idea how this ties in with Apple's technology.

       

      The manual also says:

       

      "Use only approved batteries in the device."

       

      That suggests that you can indeed replace the battery.

       

      The first message asked?

       


      Is there a manual reset for the device? Have I just burned out the battery and that can be replaced?

       

       

      There is support for the MR1100, including a manual, somewhere at the end of this link:

       

      >>> MR1100 | Product | Support | NETGEAR <<<

       

      The answer to those questions is probably in the section To perform a factory reset using the Reset button

      • myersw's avatar
        myersw
        Master
        Jan 19, 2019

        michaelkenward

        Never saw a 9 volt USB device. Is there such a thing? To the best of knowledge all USB is 5 volt. Hope 9 Volt is not entering into the mix for USB.