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Now we can power our pedals with inexpensive, rechargeable smartphone power banks - The Acoustic Guitar Forum
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Amazon.com: Donner DP-1 Guitar Power Supply 10 Isolated DC Output for 9V/12V/18V Effect Pedal : Musical Instruments
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Amazon.com: GHOST FIRE GP8-SV2 8-Output Pedal Power Supply+ 5V USB output Fully Isolated power bank with Independent short-circuit protection : Cell Phones & Accessories
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