JOYO JMP-01 Portable Power Supply For Guitar Effects

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The JMP-01 is a supreme power supply for your pedals when looking for a small, portable unit that does not require external power.

JOYO Portable Power Supply
The JMP-01 is a supreme power supply for your pedals when looking for a small, portable unit that does not require external power. With the in built rechargeable battery that can output a maximum of 2000mA, you can supply up to 8 of your favourite pedals using the supplied daisy chain cable with clean, consistent power, even when there is no access to power on stage, or in the rehearsal room.

Rechargeable Battery
The built in rechargeable Lithium battery lasts up to 50 hours, supplying your pedals with the same consistent voltage throughout. Whats-more, it can be recharged up to 1000 times, which means you can get through a lot of shows and rehearsals before you need to even think about replacing it. The JMP-01 battery only takes 3.5 hours to charge, which makes it totally suitable for professional musicians that are constantly touring, gigging and rehearsing right through to busker's and street performers.

Why Power Stations with High Current Output are Important
Powering 4 or 5 pedals with a daisy chain is fine, if they are relatively low 'current' consumption pedals. But if you're powering more than this off a single 9V AC/DC adapter you can overdraw the power supply and create electrical issues within the pedals. This can often result in unwanted buzz or noise in your audio signal.


  • Battery Powered (Rechargeable)
  • 2000mA / 2A of Current
  • 2x Negative Centre Outputs
  • 2x 4-way Output cable
  • 2x Polarity Switching Cable
  • 3 colour LED indicator for battery life
  • On/Off Switch


  • Input: 5V DC 2000mA (charger included)
  • Output : 9V DC 2000mA
  • Rechargeable Battery: 3.7V/ 6600mAh (24Wh)
  • Charging Time: 3.5hours
  • DC outputs: Negative
  • Plug Size: 2.1mm ID x 5.1mm OD
  • Weight: 255grams
  • Dimensions: 117(L) x 75 (W) x 37 (H)


22 December 2016
Excellent little device,saves on lots of cables every where,well suited for a flat or small area like bedroom playing,lasts well on single charge.

By: on 15 February 2016
Great little power pack. I am running 4 pedals of it and it handles this well. I am not sure how long a charge lasts but I have run it for 45 minutes with no problems. It doesn't get hot. If you were to run out you could run it off 240 v anyway.

By: on 9 January 2015
Good size and capacity. Only used it once since new but seems like it will go the distance. Joyo seem to pump out products that are VERY similar to name brand stuff. (Panasonic pedal juice this one).

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