PRODUCT

 
SK20DU 20A 12V24V auto work
 
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.
 
Features
 
  • 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
  • USB output

 

Technical Data

 

 
Model
SK20DU
SK2048D
Input
PV input voltage
≤50V
≤100V
Rated charge current
20A
Output
System voltage
12V/24V Auto
48V
Battery over-voltage protection voltage
16.00V×1/×2/×3/×4
Rated discharge current
20A
Self-consumption
≤13mA
≤16mA
Charge loop voltage drop
≤0.21V
Discharge loop voltage drop
≤ 0.1V
Charging mode
PWM 4 stages (bulk, absorption,float,equalized)
Float Charge Voltage
13.8(13V~15V)×1/×2/×3/×4
Absorption charge voltage
14.4V(13V~15V) ×1/×2/×3/×4
Duration of Absorption Charge
2h
Voltage of equalized charging *
14.6V(13V~15.5V) ×1/×2/×3/×4
Duration of equalized charging
2h
Low voltage disconnection
10.8V(10V~14V) ×1/×2/×3/×4
Low voltage reconnection
12.6V(10V~14V) ×1/×2/×3/×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/×3/×4
Battery type
GEL,SLD,FLD
USr(defualt)
USB口
5V 1A
None
Other
Interface
LCD,2 buttons
Wiring
PCB terminal, ≤10mm2
Working temperature
-20 ~ +55 °C
Storage temperature
-30 ~ +65 °C
Working humidity
10% ~ 90%, no condensation
Dimension
178x101.5 x45.5mm
Weight
290g
310g
IP code
IP30
Optional function
Remote communication,TTL, standard ModBus protocol

  • Name: SK20DU Intelligent Solar Charge Controller