That’s because they’re different voltages 
I still stand by my advice; if you’re careful with voltage, polarity and tip size, there shouldn’t be any problems.
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Model:Samples has probably the easiest way to use with an external battery pack.
5VDC is a standard USB power. If you measure the diameter barrel of the PS that came with M:S get a USB to barrel cable and a good pack like RavPower.
I got one @16000mah/59.2Wh that runs for days with low consumption gear.
Make sure that the polarity on the cable matches M:S
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I had one of these usb to barrel leads and my battery pack powering Novation Circuit. I had to use the usb socket on the battery labelled ‘iPad’ as it supplies 2amps whereas the other two supply 1amp. Everything was fine and it lasted for ages - and Circuit is FULL of bright led pads and buttons!
I don’t see any issue using the same with Model:Samples
as long as the polarity is correct
EC Technology Portable Charger 22400mAh Power Bank Ultra High Capacity External Battery with Auto IC for iPhone iPad Samsung, Black & Red https://www.amazon.co.uk/dp/B00F5Q4F0U/ref=cm_sw_r_cp_api_i_UhMBCb3E4X9F9
This adapter lead is positive tip which according to the manual is correct.
ChenYang USB 2.0 A Type Male to 5.5 x 2.5mm DC 5V Power Plug Barrel Connector Charge Cable 80cm https://www.amazon.co.uk/dp/B00S6AC28E/ref=cm_sw_r_cp_api_i_TmMBCbV9SZ6CK
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You are right using a third party does void any warrenty. I spoke with a rep about it a few days ago.
I use this battery pack for mine. You can find the adapters pretty easy as well. Isn’t this the same kind in Cuckoos video?
I like the easy side for creation, transportable using an external battery! is it possible to know when the release date is it open for the battery of the model: sample ??? Of: leaks: some: ideas 
I’ve no idea when the official battery handle is coming out, but I’ve found using a USB battery pack (with USB to 3.5 × 1.35 mm barrel jack lead) so convenient that I’m using it pretty much all the time instead of the wall plug.
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Where can I buy that barrel jack lead? I have the battery pack. Thank you!
I found it in my big box of junk, so I’ve no idea where I got it from. However you can get them on Amazon/eBay/etc.
For the main power point at the back, the barrel is 3.5 × 1.35mm, centre positive. For the (upcoming) battery handle one under the white tab on the left, it’s 5.5 x 2.1mm, centre positive.
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I didn’t test how long will it work on my powerbank, but this cable is definitely working!
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This should fit the Model:Samples… the main DC port in the rear. I’ll find out on Tuesday if it fits and works… (Amazon USA)
Have you tried using it in the side plug? You’d need to remove the rubber seal thingy
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Oops, I didn’t. haha. Completely forgot about that side port for the plug linked above. It works perfectly. The only thing that sucks is this adapter is right-angle and it doesn’t tightly fit, but it does work. Thanks (I feel like an idiot) 
Here’s the same thing, but straight (for any USA buyers curious):
Anyone heard any rumours on when the battery handle might get released? I know it was a question posted for the Q&A session held last month but I haven’t seen the video of it.
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Any update on how well this works ?
I bought some battery pack off on Amazon and a usb to 5v cable to power M:S. Works like a charm! Super portable. Also, it looks like the M:S really doesn’t need that much energy. I have used this power bank with it for hours on end and I am still at 87%.
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Can you link what products you bought?
Sure!
Power Bank: https://www.amazon.com/gp/product/B07GJT61J4/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Cable: https://www.amazon.com/gp/product/B01C5KQD5I/ref=ppx_yo_dt_b_asin_title_o01_s01?ie=UTF8&psc=1
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Wow that’s super cool! Did you make that yourself or is that a pre-made thing?
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