Charging A Phone On A 999

Discussion in 'Technical Help' started by Cream_Revenge, Aug 3, 2016.

  1. Evening

    Any ideas/suggestions how I go about fitting a USB charger for my mobile so I can use it as a Sat Nav, or powering a Sat Nav for that matter, on my 999?

    Cheers
     
  2. :Finger:

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  3. If you have a recent optimal lead from your battery... They do different leads for sat navs, smart phones, gadgets etc...

    Even Optimate!!!!!
     
    #3 Red Baron, Aug 3, 2016
    Last edited by a moderator: Aug 4, 2016
  4. Is there no way of getting a USB lead, cutting it up and splicing it onto the parking light, or something?
     
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  5. Why does the trigger wire need connection to a light?
     
  6. You didn't like my idea :Sorry:
    :Writing: it could go on your helmet, ungrateful...
     
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  7. You run the trigger wire of a relay to something like a light or anything else that only comes on when the bike is on, because it then means it's only drawing power whilst the ignition circuit is on. No battery drain issues.

    I used to use a thing like @Exige mentioned but had to keep remembering to unplug it when the bike was off or it could drain the battery.


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  8. That will work too. You can just wire it to the battery if you don't want the hassle, just remember that it will drain whilst off. If you leave your phone plugged in or something, you could get stuck. Relays cost a couple of quid and are easy to wire. Once you use one you'll be hooked as they make life so much easier.


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  9. It will only drain if I leave the phone /Sat nav plugged in though won't it?
     
  10. Yes. Unless it has a little red light or something.


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  11. Wire in one like this. It has a decent 12v to 5v step-down and can easily be wired in.

    Motorcycle Waterproof Mobile Cellphone USB Charger 12V-5V 2A Step Down Module | eBay

    As above, use a relay so it only runs when you bike is running. A good tip is to work off the rear light or brake light, and use a couple of connectors to make a short extension into the harness so you're not chopping wires around.

    I've done the same on a couple of bikes and in the car they work really well, are easy to remove and can power all sorts of things including heated grips, sat nav leads, etc.

    adapter.JPG
     
    #14 antonye, Aug 4, 2016
    Last edited: Aug 4, 2016
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