I've had a di2 Specialized Roubaix for 3 months and have been loving it. However a couple of weeks ago the battery died.
On my last ride, (incidentally a completely dry day with no road water), it had worked as normal and had 80% left according to my Garmin. Then the next time I tried it after being left in a dry garage for 5 days the battery was completely dead. I returned the bike to the shop and they sent the battery to Specialized whose answer was no replacement as 'water damage'. Then the shop sent it to Madison (UK Shimano distrubuter) and again they refused to replace under warranty.
Has anyone had a similar problem? Have any of you had water get into the carbon frame and damage any electronics? I'm baffled as I don't powerwash the bike. But in any case as the external di2 connections are waterproof, so how could the battery have problems?
Have any of you had or heard of any similar problems? Are internal di2 connections that vulnerable?