Quoted v actual range

[guerney]

View attachment 46419

it trys to guess the range left based on mode used and whats left in the batt so can be all over the place depending what mode you are in.

with a dongle it cant compute lol i now have the kiox display so now 1-100%

View attachment 46420

Why isn't there a ninebar on your display SW?

 

[Benjahmin]

I don't know what the bars actually measure,

The bars only display current voltage, this is why they come and go as the load on the battery changes. They have nothing to do with range.
As SW says, the Bosch system has a computer that takes current voltage and current power level setting, does a sum and comes to a range figure. Turn the power level down and this figure will go up. Go up a hill and this figure will go down more than the road distance travelled.

 

[lightning]

On my Kona (Shimano E8000) the remaining battery level never changes, so once it's down to (say) 2 bars it will never go back up.

l assume the BMS is better on these Shimano/Bosch etc premium drive system.

However the "remaining range" indicator will vary depending on what you are doing, for instance it may show 7 miles remaining after a long climb but will go up to 12 miles once you get to a level road.

l am guessing that's more of an instantaneous readout based on what the bike is doing at that moment in time.

 

[GSV3MiaC]

Yep, my Bosch display bars never go back up, so it clearly isn't just voltage, going downhill increases the displayed range, but the bars only ever go one way.