12v System For Trikes.

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Cullin

Über Member
Don't know if this has been talked about before, but when we go on long distance tours, I have often thought it would be nice to charge the phone and run the GPS from a 12v system.
I have seen the B&M Dynamos at £300.00.
Has anyone done this, and for about £250.00 cheaper.
Thank you in advance.
 
 
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Cullin

Cullin

Über Member
Thank You both for replying, Brother in law tried a Solar panel and a small 12v Alarm battery, he needed the battery to be trickle charged so he had a good supply..
I like the idea of the bottle dynamo, should think they have a voltage doubler to charge the phones, was hoping along the lines of a 12v Bottle dynamo and a small 12v battery. Have tried the GPS on a Solar panel, but it kept switching to internal power as the Sun light was sometimes not enough (This was also done in sunny France) not too sure if the 6.3v bottle (with voltage doubler) from P & P would have the current to charge a battery.
All good stuff, just don't want it to cost or weigh too much.
Wonder if anyone else has a solution for me.
Cheers.
 
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