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Battery powered USB hub?
I want to have a totally mobile iPad studio setup consisting of:
- iPad
- Novation Circuit
- OP1
Mixing duties will be handled by a Belkin Rockstar. I have tried running both the Circuit and OP1 into my iPad via a USB hub but there isn't enough power so I have to plug into a power socket. And this of course defeats the point of a mobile setup!
Does a battery powered USB hub exist?
Comments
You can always build your own battery powered AC/dc adapter(stack batteries till u get the desired voltage, you should find something with Google as I did; didn't find anything extensive so I didn't link it up)
You can do this with a a USB Y cable and a mobile battery - I know this works because that's how I power my Scarlett 2i4.
See more details in this thread on the Auria forum:
http://auriaapp.com/forum/viewtopic.php?f=21&t=11150
People have been asking for one of these all over the place since 2011 you would have thought some manufacturer would have come up with one by now.
I use a battery pack connected to a powered hub for that. I agree it would be very convenient to have a combination. The coolest thing would be a combined lightning to usb battery hub. Someone should make them.
What richardyot said. Or how about an iRig Pro Duo? Not what you asked for, but a lot less cables.
To reiterate on this post, this is also the set-up that I use and it's very easy to set-up. You need a cable like this, which takes power from an external battery pack (many tiny, attractive options at any local store, marketed for charging cell-phones, or online) and takes data from (and sends data to) the iPad.
Recently, I maxed out the power on this set-up, which means that certain power-hungry devices that would require a USB hub receive wall-power even on a desktop won't work. For these devices, I just use another, identical cable and another portable battery that powers that device, independently. So, the hub is receiving power from a battery, which lets it power a lot more, at once, than the iPad does (probably enough for a Circuit and OP). When I want to add things to the set-up that require even more power, I power those things with a separate battery using the same type of cable (and a USB adapter).
It sounds complicated but it's really very manageable.
Thanks for the tip guys, I already have a USB power pack and hub so just need the Y cable.
these battery packs are really great.
In my mobile system the USB hub is actually the heart of the system. Powered by a power tank with 12V output that goes into the 12V input of the powered USB hub. This hub feeds up to 7 devices (interfaces, keyboard, storage, lamp, etc.) plus one 2.4A USB device (the other 2.4A USB slot is for the Windows tablet). Absolutely brilliant.
Probably a really obvious question, but I want to check: would this Y cable do it? https://smile.amazon.com/Micro-B-External-Seagate-Toshiba-Enclosure/dp/B005M0ICG2/
The photo on the Auria forum looks like the hard drive end goes unused, and the two USB plugs go to the power bank and the hub, correct?
In the photo on the Auria forum the hard drive end plugs into the audio interface.
I'm not sure about that cable as the end connector is micro USB, so it's a different type of cable. What are you trying to connect? If it's an audio interface then it probably needs the old-style USB connector as per the Auria forum example.
You can simply plug a power bank into a spare slot in your passive hub. Just make sure your passive hub has one more slot than you need.
Some USB hubs have an additional input for connecting an external power source.
I have the following one, just not the transparent version: https://www.amazon.com/ORICO-USB3-0-Transparent-Desktop-Indicator/dp/B07J56MY7Z
When I need more power, I just connect my powerbank to it. It's cheap but works very well
I wish someone created a powerbank with a built-in USB hub...
Gaz Williams had a good video he powered an Octatrack with a battery pack on Youtube.
https://www.youtube.com/channel/UCWjhjpTNfsmNeWuDwmI8qiQ/videos
I'm using only a couple of keyboards (Samson Carbon 49 & Novation Launchkey 25). No audio interface at all. It seems to work, but when I try powering it up, the LEDs on the Launchkey start flashing their startup sequence, and never stop, like it's freaking out... Is there some order to making the connections? Also, not really sure if I need to do this at all; the two keyboards run fine with an unpowered hub and the iPad Air 3. But I'm considering adding a Launchpad to this setup, so...
Surprised there still aren't more of these available. This one allows for USB-C charging and two USB A ports available as a hub to the USB-C device (only. so wouldn't work for lightning iOS devices) https://zendure.com/products/x6-power-bank-usb-hub.
Are there more out there that might work for non-USBC devices?