Overvoltage
protection
Undervoltage
protection
Max. panel voltage
(Surge protection by
varistor)
Temperature
compensation
(Charge voltage)
Max. self
consumption
Grounding
Ambient
temperature
Max. altitude
Battery type
Adjustment range:
Evening/morning
15.5/31.0 V
10.5/21.0 V
50 V
-4.2 mV/K (2 V cell)
5 – 8 mA
Negative grounding
−40 to +60 °C
4,000 m above sea level
Lead acid (GEL, AGM, flooded)
0 – 15 h / 0 – 14 h
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