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Thread: Handlebar USB and voltmeter with on/off Reply to Thread
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  Topic Review (Newest First)
05-15-2018 12:33 PM
Macdoc It's actually not all that bad. Another rider set one up.



and mine from a better angle ...in practive I really don't notice the key as they have to go straight down anyways.





My cockpit is small compared to most adventure bikes as the CBF1000 is quite compact.
05-15-2018 12:23 PM
notacop Your steering stem looks crowded. I have enough trouble reaching the key without another box in front but it's great to have all the gadgets you can get!
There ought to be an award for anyone who can out do Greywolf for a busy cockpit!
05-14-2018 09:16 PM
bwringer My shameful brain can and will forget to turn the switch off, so the charger/accessory circuit on all my bikes is powered by a relay. That way, I get full voltage and it shuts off automagically.

Also, if you plan to run an air pump through one of these circuits, install a bigger fuse. 10 amps will blow sometimes, 15 should be OK and still plenty safe if you get a short.

That particular gadget seems ridiculously large, and the lights would be distracting, but I guess that's a matter of personal taste. There are lots of neat USB charging widgets on Amazon and Fleabay.
05-08-2018 03:39 AM
rambaldi
Quote:
Originally Posted by Rolex View Post
My testing tells me quality USB ports have a drain because of the way they drop the voltage from 12v to 5v.

The elcheapo ones have no drain.

My Zumo cradle has a 0.02amp draw so it would take a long time to drain down a healthy battery.
The cheap ones may have no drain when not in use but can potentially heat up in use or if you have a funky electrical system they may result in your charger/device not doing so good.

The best option long term is to buy a decent one which should use less power (when in use) and then wire it up properly.
05-07-2018 10:39 PM
Rolex My testing tells me quality USB ports have a drain because of the way they drop the voltage from 12v to 5v.

The elcheapo ones have no drain.

My Zumo cradle has a 0.02amp draw so it would take a long time to drain down a healthy battery.
05-07-2018 12:49 PM
Big B
Quote:
Originally Posted by BackPacker View Post
A 12V cigarette lighter doesn't have any parasite drain whatsoever, but a 5V USB does. How big the drain is, depends on the quality of the internal circuits.

I tested my el cheapo 12V to 5V converter for a cigarette lighter socket, and that one will drain the battery in about a months time.
Yup which is why I mentioned that, I've heard of some draining in less than a week.
05-07-2018 10:47 AM
G-Dub Nice to see it comes with ceramic pad cigarette butts. Lol.

I have a similar one on the Gixxus, wired to a switched circuit on the fuse block.
05-07-2018 09:39 AM
BackPacker A 12V cigarette lighter doesn't have any parasite drain whatsoever, but a 5V USB does. How big the drain is, depends on the quality of the internal circuits.

I tested my el cheapo 12V to 5V converter for a cigarette lighter socket, and that one will drain the battery in about a months time.
05-07-2018 08:52 AM
Also Ran I wasn't sure about all the lights and gauges so I opted for the bare bones, no lights or switches. I've hooked it up and left it to see if I get any drain which it doesn't seem to. It's an incomplete circuit till you plug something in right? So unless I forget I'm charging something I should do ok. Thinking I may get a volt meter to check the voltage on occasion. Kinda like this one.

USB Car Charger With Voltmeter - Dual Port 3A
05-06-2018 05:07 PM
BackPacker The backlit switch seems awfully bright. Have you ridden at night yet?
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