trapezeartist Posted December 20, 2021 Report Share Posted December 20, 2021 Every EM owner will know that the commonest question is "How long does the battery last?" My answer is always the same, based on my personal experience: I usually finish a trial with the meter showing about 70% left. Now 70% at the end of a trial had me a bit perplexed. That is far better than the manufacturer's claimed battery life, and when did you ever find a manufacturer who understates anything?! So yesterday I tried an experiment. I didn't charge the battery before going out for a practice, so I started on 70%. After nearly 3 hours (so slightly less than a normal trial) the battery was down to 15%. I have no complaint because two days riding on a battery seems pretty good to me. However I'm now aware that the battery reading is a bit non-linear and 70% on the battery meter really means about 45% of riding time remaining. PS. I was watching the battery meter more closely than usual yesterday and could see the reading going up and down depending on the load I was putting on it. So at the end of the day with 15% left in, the meter dropped to 4% when gunning it up the hill back to the car park. It then dramatically lost power (but still enough to comfortably get up the hill) which seems to be a limp mode that kicks in at 5%. 2 Quote Link to comment Share on other sites More sharing options...
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