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I got on my bike, now mounted on my Wahoo Kickr trainer, to ride on Zwift the other day only to be surprised that my Di2 battery was completely dead. This was a surprise because I had just ridden the bike a few days before and had over 50% battery capacity. This got me thinking about how on earth the battery could've been drained so quickly when I wasn't even riding the bike.
If one clicks the Di2 rear shifter to shift a gear but the rear wheel isn't moving, hence the chain isn't moving either, could this potentially put Di2 into a weird state where it's 'trying to shift' but can't, thus draining the battery?
Since my bike is sitting on a Wahoo Kickr trainer, I'm wondering if I accidentally hit the shifter when not pedaling as I got off the bike. That would've given Di2 plenty of time to drain the battery as it attempted to shift for days(?)
If one clicks the Di2 rear shifter to shift a gear but the rear wheel isn't moving, hence the chain isn't moving either, could this potentially put Di2 into a weird state where it's 'trying to shift' but can't, thus draining the battery?
Since my bike is sitting on a Wahoo Kickr trainer, I'm wondering if I accidentally hit the shifter when not pedaling as I got off the bike. That would've given Di2 plenty of time to drain the battery as it attempted to shift for days(?)