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I recently received my O2 and after some time having it set up, I noticed the power brick is warm to the touch, even when the O2 unit hasnt been powered on for extended periods of time. I thought this might be due to the issues I've heard with the stock power supply but I went out and grabbed a new one and it's still warming up even when powered off. Is this happening to anyone else or should I be worried that the O2 is drawing power even when it's off?
The o2, at least the "portable" version, has two rechargeable 9v batteries inside.
So it makes sense for it to be trying to charge something I guess.
I'm also guessing that most power bricks get warm when simply just plugged in. If it worries you then just turn it off from the power point.