OVMS User Manual page 11

Renault twizy open vehicle monitoring system
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OVMS: Renault Twizy User Guide
2019/05/02 RT3.9.1
(BTW: you can draw graphs like that by using the "
" records, see below!)
RT-BAT-P
Time estimation takes this non-linearity into account by dividing the charge process in two sections
(0-94% = 180 minutes / 94-100% = 40 minutes).
Keep in mind: if you need the quickest possible intermediate charge, start with a warm battery and
stop at or below 95%.
Range
Range will include two values, an estimated and an ideal range. The ideal range is based on your
max range configuration (see "Ideal range configuration"). Estimated range is based on the Twizy's
own range estimation, which in turn is based on the last 3 km driving. This will be scaled up to the
current SOC during charge, so will differ from the value, the Twizy will tell you on the next key-on
(as that is a different Twizy estimation based on the last 150 km). As soon as you turn on the Twizy,
the module will update it's estimation as well.
Since V3.6, the ideal range takes the temperature influence into account. A cold battery loses range
in the typical magnitude of 0.6 km / °C. The max range is assumed to be at 20 °C, so for example at
10 °C the ideal range of a full battery will be 6 km lower than the max range configured.
Please note: The OVMS firmware internally stores odometer and range values in miles. Until that
can be changed, you will occasionally see a 1 km difference between the range displayed in the
dashboard and the OVMS outputs. This is due to the fact integer mile values do not provide enough
precision to cover all possible km values. Conversion math has been tuned to minimize this error.
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