Trojan Battery User Guide
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USER’S GUIDE
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Table 7
Flooded/Wet State of Charge as a Measure of Specic Gravity and Open-Circuit Voltage
Percentage Charge Specic Gravity Cell 6 Volt 8 Volt 12 Volt
100 1.277 2.122 6.37 8.49 12.73
90 1.258 2.103 6.31 8.41 12.62
80 1.238 2.083 6.25 8.33 12.50
70 1.217 2.062 6.19 8.25 12.37
60 1.195 2.04 6.12 8.16 12.24
50 1.172 2.017 6.05 8.07 12.10
40 1.148 1.993 5.98 7.97 11.96
30 1.124 1.969 5.91 7.88 11.81
20 1.098 1.943 5.83 7.77 11.66
10 1.073 1.918 5.75 7.67 11.51
AGM State of Charge as a Measure of Open-Circuit Voltage
Percentage Charge Specic Gravity Cell 6 Volt 8 Volt 12 Volt
100 NA 2.14 6.42 8.56 12.84
75 NA 2.09 6.27 8.36 12.54
50 NA 2.04 6.12 8.16 12.24
25 NA 1.99 5.97 7.9 6 11.94
0 NA 1.94 5.82 7.76 11.64
Gel State of Charge as a Measure of Open-Circuit Voltage
Percentage Charge Specic Gravity Cell 6 Volt 8 Volt 12 Volt
100 NA 2.14 6.42 8.56 12.84
75 NA 2.11 6.33 8.44 12.66
50 NA 2.06 6.18 8.24 12.36
25 NA 2.00 6.00 8.00 12.00
0 NA 1.97 5.91 7.88 11.82