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[Richard230]

I'm not sure about the programming in the 2014-15's but on the 2013's they have a variable deep down inside the settings called Range Pessimism, which is set to 8%
I could be wrong about this, but once you are under that variable the battery protection could cut the power out without warning at any point.

These days I think long and hard before running my bike under the 20% mark, I consider that better for the long term health of the battery pack.

Same here.   

[Burton]

fuelgaugepes    - Fuel Gauge Pessimism        :    8%
reserve_sw      - Use a reserve partition     : No
reserve_pct     - Reserve partition           : 33%

First one is the setting mentioned.

Are the second two the "limp home" feature / setting?

I have had my bike down to 12% so far, should really just keep a voltmeter hooked up to know what you have left I guess.

[Justin Andrews]

Either that, or onboard memory settings for the mbb going by the partition reference.


As for the voltmeter, I imagine that if you packet sniffed the canbus line you'd find the voltage being sent along with a bunch of other useful info.

[Doug S]

I have had my bike down to 12% so far, should really just keep a voltmeter hooked up to know what you have left I guess.

Mount up your smartphone and use the app, it shows you actual battery voltage. My suspicion is that you'd find that information less informative than the SoC indicator Zero provides, however.