Trevor Cunningham:
Either or (RP or Eye Fi) I wonder what the pull on the battery is.
continuous 200mA is needed for the Eye Fi, whether it draws that is not documented. 500mA for the Raspberry Pi, then there's the USB wifi device atop that. It's a nice experiment he's doing and I can understand why he's doing it (because he can ;) but in the long run - 200mA beats 500mA