Difference between revisions of "Battery Voltage"

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(attempt to provide log-based voltage ranges at rest for high SoC.)
 
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<onlyinclude>
 
This is a rough guide to correlating ''at rest'' battery voltage to the state of charge.
 
This is a rough guide to correlating ''at rest'' battery voltage to the state of charge.
 +
: There is respectable unofficial guidance that this curve varies as the pack ages over its lifetime.
 +
: These figures are determined from some selection of owners with logs, with minimal experimental controls.
 +
 +
{{warning|Your mileage may literally vary!}}
  
<onlyinclude>
 
 
[[File:Soc_vs_voltage.png|thumb|% SoC vs Voltage]]
 
[[File:Soc_vs_voltage.png|thumb|% SoC vs Voltage]]
 
[[File:Voltage_vs_soc.png|thumb|Voltage vs % SoC]]
 
[[File:Voltage_vs_soc.png|thumb|Voltage vs % SoC]]
 
{| class="wikitable mw-collapsible"
 
{| class="wikitable mw-collapsible"
|+ Voltage per SoC at rest (MUST FIX)
+
|+ Voltage per SoC At Rest
!Battery Voltage
+
!V<sub>Pack</sub>
 +
!V<sub>Cell</sub>
 
!SoC
 
!SoC
 
|-
 
|-
|116.20||100
+
|115.9…116.2
 +
|4.14…4.15
 +
|100
 
|-
 
|-
|114.24||95
+
|113.9…114.24
 +
|4.07…4.08
 +
|95
 
|-
 
|-
|112.00||90
+
|112.0…112.3
 +
|4.00…4.01
 +
|90
 
|-
 
|-
|109.76||85
+
|109.76…110.8
 +
|3.92…3.96
 +
|85
 
|-
 
|-
|108.36||80
+
|108.36
 +
|3.87
 +
|80
 
|-
 
|-
|106.96||75
+
|106.96
 +
|3.82
 +
|75
 
|-
 
|-
|105.56||70
+
|105.56
 +
|3.77
 +
|70
 
|-
 
|-
|104.16||65
+
|104.16
 +
|3.72
 +
|65
 
|-
 
|-
|103.04||60
+
|103.04
 +
|3.68
 +
|60
 
|-
 
|-
|101.92||55
+
|101.92
 +
|3.64
 +
|55
 
|-
 
|-
|101.36||50
+
|101.36
 +
|3.62
 +
|50
 
|-
 
|-
|100.80||45
+
|100.80
 +
|3.60
 +
|45
 
|-
 
|-
|99.68||40
+
|99.68
 +
|3.56
 +
|40
 
|-
 
|-
|99.12||35
+
|99.12
 +
|3.54
 +
|35
 
|-
 
|-
|98.56||30
+
|98.56
 +
|3.52
 +
|30
 
|-
 
|-
|98.00||25
+
|98.00
 +
|3.5
 +
|25
 
|-
 
|-
|97.16||20
+
|97.16
 +
|3.47
 +
|20
 
|-
 
|-
|96.60||15
+
|96.60
 +
|3.45
 +
|15
 
|-
 
|-
|96.04||10
+
|96.04
 +
|3.43
 +
|10
 
|-
 
|-
|95.76||5
+
|95.76
 +
|3.42
 +
|5
 
|-
 
|-
|95.20||0
+
|95.20
 +
|3.4
 +
|0
 
|}
 
|}
  

Latest revision as of 23:40, 19 May 2020

This is a rough guide to correlating at rest battery voltage to the state of charge.

There is respectable unofficial guidance that this curve varies as the pack ages over its lifetime.
These figures are determined from some selection of owners with logs, with minimal experimental controls.
Warning Warning: Your mileage may literally vary!
% SoC vs Voltage
Voltage vs % SoC
Voltage per SoC At Rest
VPack VCell SoC
115.9…116.2 4.14…4.15 100
113.9…114.24 4.07…4.08 95
112.0…112.3 4.00…4.01 90
109.76…110.8 3.92…3.96 85
108.36 3.87 80
106.96 3.82 75
105.56 3.77 70
104.16 3.72 65
103.04 3.68 60
101.92 3.64 55
101.36 3.62 50
100.80 3.60 45
99.68 3.56 40
99.12 3.54 35
98.56 3.52 30
98.00 3.5 25
97.16 3.47 20
96.60 3.45 15
96.04 3.43 10
95.76 3.42 5
95.20 3.4 0