12
TECHNICAL DETAILS – CONTROLLER
Electrical
Rated solar panel amps
12A (max.)
Normal input solar cell array voltage
15-22V DC
Solar cell array voltage (no load)
25V DC (max.)
Lowest operating voltage
9V DC (min)
Standby current consumption at night
2mA (max.)
Voltage drop – solar cell to battery
0.25V DC (max.)
Charging
Battery start voltage
3V DC (min)
Soft start charging voltage
3-10V DC +/- 0.2
Soft start charging current (50% PWM duty)
up to 4A
Bulk charge voltage
10-14V DC +/- 0.2
Absorption charging voltage at 25°C
• GEL battery type
14.1V DC +/- 0.2
• AGM battery type (default setting)
14.4V DC +/- 0.2
• WET battery type
14.7V DC +/- 0.2
• Calcium battery type
14.9V DC +/- 0.2
Absorption transit to Equalization or Float condition
• Charging current drops to
0.8A +/- 0.1
• Absorption charging timer timed out
4 hours
Equalization charging active (only for WET or Calcium battery)
• Battery voltage discharge to less than
11.5V DC +/- 0.2
• Equalization charging voltage at 25°C
15.5V DC +/- 0.2
• Equalization charging timer timed out
2 hours
Float charging voltage at 25°C
• GEL, AGM, WET and Calcium battery
13.6V DC +/- 0.2
Voltage control accuracy
+/- 1%
Battery temperature compensation coefficient
-24 mV/
°
C
Temperature compensation range
-20 to +50
°
C