SK50D 50A 12V24V auto work / 48V
This intelligent ,multi-purpose solar charge and discharge controller has a very friendly interface of fixed LCD display .Various control parameters can be flexibly set ,fully meet your various application requirements.
  • Vivid LCD graphic symbols
  • Simple button operation
  • Automatic identification of system voltage level
  • Intelligent PWM charging mode 
  • Adjustablecharge-discharge protection
  • Automatic temperature compensation
  • Settable operation mode of load
  • Battery reverse-discharge protection
  • Battery low voltage disconnection(LVD)
  • Battery reverse connection protection
  • Overcurrent protection


Technical Data


Model SK50D  SK5048D
PV voltage ≤50V ≤100V
Rated current 50A 50A
System voltage 12V/24V (Auto) 48V
HVD 16.00V×1/×2/×4
Rated current 50A 50A
No-load loss ≤14mA ≤16mA
Charge loop voltage drop ≤0.22V ≤0.25V
Discharge loop voltage drop ≤ 0.12V ≤ 0.12V
Charging mode PWM 4-stagebulk, absorptionfloat, equalized
Voltage of float charging 13.8(13V~15V)×1/×2/×4
Voltage of absorption charging 14.4V(13V~15V) ×1/×2/×4
Duration of absorption charging 2hs
LVD 10.8V(10V~14V) ×1/×2/×4
LVR 12.6V(10V~14V) ×1/×2/×4
Load working mode Regular control mode
Light control with switch-off point at night and switch-on point before dawn 
Light control mode
Light control voltage 5V(1V~10V) ×1/×2/×4
Battery type GEL, SLD, FLD and USr(default)
Buttons LCD, 3 buttons
Heat sink AL alloy heat sink
Wiring PCB terminal, ≤25mm
Working temperature -20 ~ +55 °C
Storage temperature -30 ~ +65 °C
Working humidity 10% ~ 90%, no condensation
Dimension 188 x 133 x 51.5 mm
Net Weight 595g 600g
IP grade IP30
Optional function Remote communicationTTL, standard ModBus protocol 
Accessory Temperature sensor

  • Name: SK50D Intelligent Solar Charge Controller


Contacts :   Mr.Zhang

TEL:      +86 15307135737

Add:      4th Flr, #A Bld, Mingyin Science & Technology Industrial Park, Wuhan Economic Development Zone, Hubei, China.

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