samlexsolar SCC-30AB - Temperature Compensation

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INSTALLATION & OPERATION
Variations in battery temperature can affect charging, battery capacity, and battery
life. The greater the range of battery temperatures, the greater the impact on the
battery. For example, if the temperature falls to 10°C (50°F) this 15°C (27°F) change in
temperature will change the PWM Absorption, equalization and oat set points by
0.90V in a 24V system.
Typical compensation is given in Table 6.2 below:
Temperature 12 Volt 24 Volt
50ºC / 122ºF – 0.75 V –1.50 V
45ºC / 113ºF – 0.60 V – 1.20 V
40ºC / 104ºF – 0.45 V – 0.90 V
35ºC / 95ºF – 0.30 V – 0.60 V
30ºC / 86ºF – 0.15 V – 0.30 V
25ºC / 77ºF (Reference) 0 V (Reference) 0 V (Reference)
20ºC / 68ºF + 0.15 V + 0.30 V
15ºC / 59ºF + 0.30 V + 0.60 V
10ºC / 50ºF + 0.45 V + 0.90 V
5ºC / 41ºF + 0.60 V + 1.20 V
0ºC / 32ºF + 0.75 V + 1.50 V
Table 6.2 Temperature Compensation