I'd like to have the battery that I can replace myself, during rides.

As an example, like this:

Hi Cal,

Thanks for creating a topic. Unfortunately due to the waterproofing of our device this would not be a suitable solution at this juncture. We are still a very young company and always consider our customer feedback. It is much appreciated.

Thanks

Anthony

Cycliq

Oh well.  Thanks for the feedback.  Anyway, you're still the only company that actually GETS what daily cyclists (not extreme sports heros) want and the way it works is just right.