Roy Solar Charge Controller 40A / 48V (TK4048DU)


Overview of Roy Charge Controller 40A /48V

This Auto Solar Panel Charger Controller 40A / 48V is needed in virtually all solar power systems that utilize batteries. It regulates the power going from the solar panels to the batteries and It slowly lower the amount of power applied to the batteries as the batteries get closer and closer to fully charged.

Roy Charge Controller 40A /48V Features

  • Vivid LCD graphic symbols

  • Simple button operation

  • Automatic identification of system voltage level

  • Intelligent PWM charging mode 

  • Adjustable charge-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 Specifications of Roy Charge Controller 40A /48V 

Model: 40D

PV voltage: ≤100V

System Voltage: 48V Auto 

HVD: 16.00V×1/×2/×3/×4

Rated discharging current: 40A

No-load loss: ≤15mA

Charge loop voltage drop: ≤0.28V

Discharge loop voltage drop: ≤0.10V

Charging mode: PWM 4-stage(bulk, absorption,float, equalized):

Voltage float charging: 13.8(13V~15V)×1/×2/×3/×4

Voltage absorption charging: 14.4V(13V~15V) ×1/×2/×3/×4

Duration of absorption charging: 2hs

LVD: 10.7V(10V~14V) ×1/×2/×3/×4

LVR: 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 voltage: 5V(1V~10V) ×1/×2/×3/×4

Battery type: GEL, SLD, FLD and USR(default)

Man-machine interface: LCD, 2 buttons

Wiring: PCB terminal, ≤20mm

Working temperature: -20 ~ +55 °C 

Storage temperature: -30 ~ +80 °C

Working humidity: 10% ~ 90%, no condensation

Dimension: 188 x 95 x 46.5mm

IP Code:  IP30

Optional function: Remote communication,TTL, standard ModBus protocol


More Information
Product Name Roy Solar Charge Controller 40A / 48V (TK4048DU)
brandRoy Solar
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