I'm having an issue with my PI where the ethernet dies when I plug in a small MIDI controller. Once the MIDI controller is plugged in I can no longer connect to it via ssh on ethernet. Here is the controller I'm using:
http://www.amazon.com/Akai-Pro-LPD8-Ult ... ref=sr_1_1
This was happening with this battery:
http://www.amazon.com/gp/product/B0062T ... 00_s00_i00
Is the pi being underpowered by the battery? I tested it and it is getting 5V even under load with the MIDI controller. Does someone recommend a better battery?