All user reviews for the Mission Engineering 529i Rechargeable Isolated Power Supply

• The 529i is a 12v 2000mA power supply (power cable included) for pedalboard use with 6x300mA channels and 2x500mA channels; it can be used plugged in or independent.

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Limitations
The 529i offers a lot, and likely the biggest drawback could be if you require an unplugged independent power source, you have maxed out the 300mA and 500mA channels and you need more than 2 hours charge. However, most pedalboard are not filled with 300mA and 500mA pedals and you likely will have more than enough juice for a 3-4 hour gig. A second (minor) limitation is that although the 8 power cables are 2-feet long each (a good length to reach just about anywhere on a good sized pedalboard), the Y-cable is only 11-inches, which means getting an 18-v pedal close to the 529i to make connection.