@pm14, Firstly, the developer of the Mobius is the same party that offers the user installable super-capacitor option in the first place, so they are highly unlikely to void any warranty over breaking the sticker. Secondly, not a single report of damaging a Mobius camera by installing the super-capacitor has even been reported here on DCT or on RCgroups to the very best of my knowledge, so it shouldn't be a concern anyway. If the camera is working properly before installing the cap, you can have confidence that it will work afterwards, assuming you don't do anything ridiculously stupid, but the 30 second or so process of plugging in the super-cap module is a complete no-brainer.
Then again, if you should happen to need any tech support, just don't call Dogbert!
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Edit: BTW, don't believe what you read on Amazon.