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Do I need a 5v Voltage Regulator to charge a device?

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BananaLover
Borekit Bruiser



Joined: 08 May 2017
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PostPosted: 16:50 - 12 May 2017    Post subject: Do I need a 5v Voltage Regulator to charge a device? Reply with quote
I'd like to point out I have no idea what I'm doing.

I asked an engineer what do I need to hook up a charger to my motorcycle battery and he said - A fuse and 5v Voltage Regulator.
I have this lovely mount that "Fits for 9-30V motorcycle" and "is equip with 5V 2.1A USB charging port".

1) To me this implies it's already reducing input voltage to 5v and should be safe for my phone/GPS? Or do I still need a 5v Voltage Regulator (which I already purchased)

2) I got a bundle of mini in-line fuses, closest to 12 being 10 and 15. Will 15v fuse do the job fine?

3) Is there a way I can hook up the charger to my battery and have it draw power only when the engine is on?

Thanks Smile
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Polarbear
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Joined: 24 Feb 2007
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PostPosted: 17:00 - 12 May 2017    Post subject: Reply with quote
1. No.
2. 15v, how many amps (milli amps)
3. Use a relay.
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BananaLover
Borekit Bruiser



Joined: 08 May 2017
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PostPosted: 17:03 - 12 May 2017    Post subject: Reply with quote
Polarbear wrote:
1. No.
2. 15v, how many amps (milli amps)
3. Use a relay.


Looking back at the fuse sizes, I misunderstood them. All of them are 12V, ranging from 5-30A, in increments of five. For my intentions, that would that be 5 (A) fuse then, correct?

Would a relay be something like this?
It looks a bit complicated to hook up following this diagram.
https://www.canyonchasers.net/shop/generic/_img/relay/01alt.jpg
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Polarbear
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Joined: 24 Feb 2007
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PostPosted: 17:38 - 12 May 2017    Post subject: Reply with quote
All you need to know Thumbs Up

https://www.bikechatforums.com/viewtopic.php?p=2444272
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Old Thread Alert!

The last post was made 8 years, 298 days ago. Instead of replying here, would creating a new thread be more useful?
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