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lotmusic Portable Guitar Pedal Power Supply 7 Isolated DC Output, Built-in 3.7V/10000mAh Rechargeable Battery for 9V Guitar Bass Effect Pedals with Short Circuit/overcurrent Protection
lotmusic

lotmusic Portable Guitar Pedal Power Supply 7 Isolated DC Output

Bottom line: The lotmusic Portable Guitar Pedal Power Supply 7 Isolated DC Output: 7 fully isolated outputs; a short on one channel won't affect the others; main trade-off: 100mA per 9V channel underpowers high-draw digital pedals.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 7 fully isolated outputs; a short on one channel won't affect the others
  • ✓ Built-in 10000mAh battery runs 10+ hours cord-free on a 6.5-hour charge
  • ✓ 6x 9V/100mA plus 1 adjustable 9V/300mA and 1 USB 5V/1A output
  • ✓ AC 100V-240V input works on any voltage worldwide
  • ✓ Aluminum-alloy shell and noise filter cut pedal hum and heat

Cons

  • ✗ 100mA per 9V channel underpowers high-draw digital pedals
  • ✗ Single 300mA output limits current-hungry effects
  • ✗ No 12V or 18V taps for pedals needing higher voltage
  • ✗ Onboard lithium battery adds weight versus plug-only bricks

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SpecPicks Verdict

SpecPicks scored lotmusic Portable Guitar Pedal Power Supply 7 Isolated DC Output using a rating × review-volume × price-fit model applied to published specs and reviews across the audio & midi category. lotmusic's audio & midi lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 7 Individual Output: A universal guitar power supply for all battery-operated guitar pedal effects.This guitar power supply with AC 100v-240v input;6x9V 100mA guitar effects and 1 adjustable 9V 300mA, 1 x 5V 1A USB,the guitar pedalboard power adapter is designed for effect pedal
  • Short Circuit Protection / Overcurrent: 7 isolated output has short circuit protection and works independently. A short circuit of one channel would not affect the other channels.
  • Lower Noise / Heat Dissipation: Built-in powerful noise filter, this pedal power brick can greatly improve the noise problem. Using high-quality heat-dissipating aluminum alloy materials, carefully selected IC chips, generate less heat. And there is enough space inside the equipment for rapid cooling.
  • Easy to use and carry: Built-In 3.7V/10000mAh rechargeable lithium battery, over 10 hours battery life once 6.5 hours fully charged, there is no need to carry a power cord, it is easy to use, plug, and play. It also built-in 1 USB DC 5V charging port for iPhone, Android, Tablet, and so on. Effect pedal power supply can charge your devices anywhere anytime on your side.
  • Bright LED lights: This guitar power supply lighting and short circuit indicating. If you turn it on, all LEDs would turn into blue light after the power is connected. The guitar pedal power supply also has the function of lighting when the power is coming on.

Full Specifications

Brandlotmusic
ColorBlack
Amperage300 Microamps
Unit Count1.0 Count
Form Factorcompact
Battery Life10 hours
ConnectivityUSB
Model Number3X-RL6A-O8HI
CompatibilityAndroid, iOS
Input Voltage9 Volts
Maximum Power2.7 Watts
Connector TypeUSB
Output Current300 Milliamps
Output Voltage9 Volts
Output Wattage0.3 Watts
Mfr Part NumberMI3570-MUS
Specification Metma
Warranty Description1 year
Connector Type Used on CableUSB
Short Circuit Protection / Overcurrent7 isolated output has short circuit protection and works independently. A short circuit of one channel would not affect the other channels.
Full listing titlelotmusic Portable Guitar Pedal Power Supply 7 Isolated DC Output, Built-in 3.7V/10000mAh Rechargeable Battery for 9V Guitar Bass Effect Pedals with Short Circuit/overcurrent Protection

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lotmusic Portable Guitar Pedal Power Supply 7 Isolated DC Output, Built-in 3.7V/10000mAh Rechargeable Battery for 9V Guitar Bass Effect Pedals with Short Circuit/overcurrent Protection is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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lotmusic Portable Guitar Pedal Power Supply 7 Isolated DC Output, Built-in 3.7V/10000mAh Rechargeable Battery for 9V Guitar Bass Effect Pedals with Short Circuit/overcurrent Protection
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