Originally Posted by
HazeT
1000 Km is a very shady way to report battery life... battery life should be a function of time or number of shifts, claiming it in Km is moronic.
You charge your Garmin every week, you charge your headlight and tail light also. So what's the problem every few weeks to charge the derailleur batteries?
Spare batteries are under $50 and weigh very little if you want to carry a spare. And they take about 5 seconds to change.