Revive Freerunner with USB power?

Joachim Ott jo.omsl at
Fri Sep 12 18:01:54 CEST 2008

2008/9/10 Michael Shiloh <michael at>

> Joachim Ott wrote:
> > Before trying this: would it work to give USB power to the pins where
> > the battery connects in order to revive the FR or will that cause damage
> > in the device? The output of the USB is about 4.56 V and (I think) 500
> mA.
> It's fine. Just be very careful. If the polarity is wrong, or you touch
> the wrong pins, or you give the wrong voltage you will almost certainly
> damage your FreeRunner. Hook everything up, then get a friend to look
> and confirm you've done it correctly before you turn on the USB power.

I have done it successfully. See here:
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