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Roland Street Cube EX adapted to use Bosch 12v Li-ion batteries. 8h on 1 charge! Non-invasive-mod!
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- เผยแพร่เมื่อ 15 ธ.ค. 2020
- This video shows how build an adapter for the "Roland Street Cube EX" busking amplifier, in order to use Bosch's 12v power tool batteries.
Get up to 8 hours of play time at (full volume) with this 30$ trick, on one single charge!
Street cube EX
www.roland.com...
Battery holder / USB adapter
www.aliexpress...
Generic 12v 3Ah battery for Bosch blue series power tools.
www.aliexpress...
You can find chargers on the same site.
Thanks to BonnyB for his collaboration on this project!
www.bonnyb.ch
![เหนื่อยหน่อยนะ (SOMEONE LIKE ME) - GEMINI Prod. by URBOYTJ [ OFFICIAL MV ]](http://i.ytimg.com/vi/M55XjfhbrNw/mqdefault.jpg)
With the way this pack is made i think you could do a non destructive mod that would allow you to put a jack in the pack that would be removable then use a simple cable to connect.
Do sell these, because I'd gladly buy one frmo you.
Up
Great Work Rags... can use for Hi- quality work music blaster too ...
Très ingénieux bravo! 🙂
Nice! Had to think about it! I will adapt this system on my Vox amp where I have to put 6 shitty batteries type C
Did you get any distortion when at 50% charge? I've heard some of the battery-power amps do this.
Genius! Im defo doin this
Inside that battery are simple Li-ion cells so you could buy 8 of them with a big enough capacity and charge them even with your tool charger. No need to have this replacement part with battery sticking outside...
You could countersink the screw heads.
Would work with screws with huge heads, as the contactors on the amp are quite big.
Hi Old Rags. Very impressed, but have you tried to go direct from your Bosch 12V battery into the supplied power transformer fitting in the amp? I did this successfully using a lithium 9V battery into a 9V Roland RX cube. Very interested if you tried this. Cheers Eric
I have tried it in the past and it does work, however I think there were sound problems at high volume (not 100% sure I remeber correctly). The original power supply is rated 13.5V.
The issue is most probably the mA requirement. The correct voltage is one thing a how many milliamps I can deliver is the other important thing. It sound like to power source/battery couldn’t deliver enough milliamps
This 3-in-1 battery has Bluetooth and lasts 10 hours
th-cam.com/users/shortsOr3o89FR9js?feature=share
Looks like this could be a solution for those of you guys who want to "buy one" :)
@Andi Joseph @Michael del Rosario
Very neat! But I guess a bit more expensive if you already have power tool batteries.
Where could you buy this nifty pack? I can't read Chinese 😁
Hey old rags,
Have you had any problems with defective adapters (the ones where you put the batteries in)?
I have build it like this:
I mounted an extra jack into the cube whose wiring goes to exactly those pins where the wires from the original batteries go (all inside on the pcb). Then I soldered an extra connection cable from that jack to the bosch battery adapter. So they are very easy to unplug, good for carrying.
Problem: I have destroyed 3(!!!) of these adapters already. They seem to be very sensitive when switching the amp on or off. Probably a voltage surge.
Have you encountered this problem as well?
Thanks.
I have not had any problems. What does the damage look like? Make sure your connectors and wires are big enough, there is a lot of current here!
@@christophwalker1219
The adapters simply quit working. Wires and connectors all big enough.
Cool 🎸🥁😎
do these batteries shut off at low voltage?
if not you will destroy them. (incl explosion while charging)
they must be protected against over-discharge.
Good point !
No, the batteries have no over-discharge protection. I have already destroyed some. Luckily, they are cheap, especially the generic ones.
The roland has a battery indicator, when there is only one light left, the battery should be recharged. I suppose it shouldn't be too complicated to add an electronic module to the adapter to protect against over-discharge.
Hmm.. do normal rechargeable AA batteries that fit into the Roland cube battery pack shut off at low voltage? I don't think so..
I use Energizer AA batteries for all sorts of things and eventually they go flat, but then ya charge them up again. That's always been normal to do with AA li-ion batteries. There's never been any warning regarding over discharge of these AA batteries? 🤷
I've used these Energizer rechargeable AA batteries in my cube ex, and Bluetooth for my electric guitar for years
Why not just buy the Roland BTY-NIMH/A Rechargeable battery pack which is designed for the Street EX and gives 10 hours
10 hours at max? Or just 4 if its at max. Roland site just says twice the runtime
Clever.
Hello how can the Street Cube 2 record Loops and mic sounds to save them in a pendrive without using a pc ?
Wow! Thanks for that man! one question though, can i also charge the battery with the adapter? should i only switch the plus and minus?
I haven't tried but I doubt it. I wouldn't advise to try it unless you know everything about Li-ION battery charging and the Bosch 12v system charging specification. Don't switch plus and minus to charge !
Generic chargers are cheap and charge fast : tinyurl.com/yx7zuufc. If you have any 12v power tool that comes with a charger, you can consider using that tool's battery and charger, provided you find an battery-adapter.
@@oldRagsBlues thanks!!
@@oldRagsBluesAlso thanks for the link. Much appreciated.
IF I USE 6 MAH BATTERY INSTEAD OF 3 MAH FROM BOSCH , IS THE SAME SIZE WILL BE ANY PROBLEM??
Would you make this for some one else ??? If so what would you charge.
I am wondering how fragile it is. It's really "out there" - meaning, exposed. It could get accidentally knocked, kicked or moved against a wall too hard or something might happen when transporting it. Yes, i know we should be careful, but accidents do happen. Any comments, please? Could an enclosure be built around the battery?
Hi ! The metal-clip holding the battery-holder is quite sturdy, I wouldn't be afraid to take it to the street. The entire Street Cube EX with the mounted adapter still fits into the official Roland carrying bag, that would protect it for travel, or simply taking it out for travel would work too.
If all of that's not doing your trick, I'm sure you could build an enclosure to improve things.
@@oldRagsBlues I am seeing the same Bosch battery online, with 12V but it has 6.0 aH instead of 3 aH. Would that be a problem?
@@robbiedaug if you mean the kind which has a different form factor, it doesn't fit in the adaptor as I designed it. Electrically it would work though.
@@oldRagsBlues Thanks. The battery looks the exact same size from the same company. But would the extra 3.0 aH give me more time (longer charge) when using the amp?
I use rechargeable batteries ,bring about 24 aa to be safe
Did you have any problem with depleting the batteries and rendering them dead? or does the battery check meter work good from the amp as a reader for that?
Good point Matt, there is no protection built into these batteries, meaning you could over-discharge them with the amp.
If I recall correctly, the battery meter on the amp can be used to know when to recharge.
Old Rags, this is great, can I get you to make me one? I’m ready to buy it. I’m living in Sweden.
Hi Andi, thanks for the positive feedback, it's great to have interest from real street-musicians! However, I currently want to concentrate on my own projects and family. I'm sure you can find a trusty old viking craftsman up north to build one for you, it's super easy and the parts are cheap.
😎👍 молодцы.
Is there any reason to not use a normal lithium 12v battery tho? You could then get one with a greater charge (Ah) and it could last even longer no?
Hi Jake
I'm not sure what "normal" means here, but I guess you could say the battery I am using is a "normal" 12v lithium battery.
Would I be able to do this with a Makita battery? I can see the terminals on the bosh are easier to find.
yes. just make sure the Makita shuts off at a certain voltage. in case you over-discharge it it will be damaged
On another video somebody's taking off the CUBE logo that they stupidly put right over a sound hole that seriously impairs the sound quality and function of said hole.
IT'S at the top end price wise for a busking amp but it's really got too many
glitches that ougbt to have been ironed out at the testing stage...it kinda sucks that Roland haven't been bothered to go the extra mile...at £500 and rising Roland need.to respect and honour their customers and not expect customers to undertake alterations concerning flaws regarding basic functions... This isn't people swapping out a new guitars pick ups for a favourite brand or type..
This is errors of design choices that caused poor quality, and a poorly functioning. product..
Wise up Roland you need to fix these basic errors before You launched this or any Roland product...THEY'VE GOT TO WORK WELL FOR THIS MONEY!!!
All good BUT..
For the money it's kinda crazy Roland haven't ironed out the worst parts of functionability..
they haven't done their snagging ..
It's putting me right off..
It's appalling treatment of the customers. .
It's not good at all...
This kinda thing is totally the designers responsibility
Any one else agree !?
Why not just buy extra default battery packs for the unit?
1) They are expensive (the empty plastic will set you back about 25 bucks, and you have to buy NIMH batteries on top).
2) That pack will last up to 2 hours tops.
3) When you want to charge that pack, you have to unscrew 4 screws, open the pack, charge the 8 (!) batteries, and then do the same in reverse. Charging the drill's battery pack is a much faster and easier move.
Could you not build/connect the Bosch battery onto the original battery case?
@@andijoseph Absolutely, that would also be an option.
Is this amp good with pedals?
The included effects are great, except for the distortions. Clean amp is great!
@@oldRagsBlues Is that because the Amp needs a bigger battery to compensate for the they extra draw on electrical current? In which case I'm wondering whether a Powerbank would provide more juice eg from a 36,000mAh Power Bank.
I've just set up a 36,000 mAh with Cioks4 voltage converter to supply a 9 Volt BOSS RC-30 Loop Pedal and the 18volt Hotone Ampero Multi Effects Pedal.
Dude, can you make me one? Tell me how much $ you want for it.