I didn’t tried yet, but It looks powerful enough:
https://www.amazon.com/myVolts-Ripcord-alimentación-compatible-sintetizador/dp/B0D5FMT4HF
I will try and let you know 
Regards
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https://myvolts.com/Ripcord#QASection
Edit:
[I have a device that needs more amperage than the max amp output stated. Can I power it with Ripcord?](javascript:switchDisplay(‘ripFaq10’)
Ripcord has been designed to power devices through a standard USB 3.0 port, which provides up to 2.4 Amps in current.
Ripcord can comfortably provide an output power of 12 Watts, while also catering for a peak power requirement of up to 14 Watts. Unsure of your device’s power requirement? Have a look at your device manual, look up the spec on the manufacturer’s product page, or ask the manufacturer. Or ask us
Should you wish to use Ripcord with a non-standard compliant USB port which outputs more than 2.4 Amps (some high-end powerbanks on the market can output 3-4 Amps), please ensure that the average power requirement in normal operation is under 12W. Note that Ripcord has been engineered to operate in the 0-12W range, extended periods above 12W may damage Ripcord’s circuitry and will void your warranty.
Does the V5.1 really consume that little current?
First upconvert 5V to 12V with losses, then downconvert to 5V in the Zynthian – I guess the USB input devours a whopping amount of current, while the usual power banks are already struggling with 3A.
Something like this would be nicer, as it could leech the 25W out of a normal PD profile offered by a usual power bank.
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EDIT: DO NOT buy one of these. After trying it at full practice volume there’s a lot of switching noise that isn’t present with the genuine OEM Asus supply it was meant to replace. Completely unusable for audio, I’ll be returning it.
I have one of these on order. I’ve been using the original ASUS OEM equivalent (part number ADP-65JH BB which can be found used for under $20 easily) but the insulation is starting to crack so I’m replacing it. FWIW the label on the Amazon item is EXACTLY the same as the one I have, other than no ASUS logo, so I expect it’s the same part (as opposed to the cheaper equivalents that may or may not work).
19v 3.5a should hopefully be enough if I add a USB-powered audio interface later on to get more i/o.
Posting in this thread since I’ll also report back when I confirm that it’s good. A master thread of tested power supplies for the v5 would be handy.
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I am using the Ripcord 12V version for a Digitakt and also a 9V for some Korg synths since two years without any incidents.
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