MPPT Solar Charge Controller MS4820N - Negative Grounded Model / Touch Screen Operation

Model NO.MS4820N

MS is a series of controllers with the most advanced MPPT technology, mainly used in medium size solar stand alone power system. MS supports solar charge only, for battery system 12/24/36/48V. It is negative grounded design, and with Bluetooth module built inside for APP monitoring and operation in mobile phone.

48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
48V 30A MPPT Solar Charge Controller
  • Features
  • Specifications
  • Downloads
  • Optional Accessories

12/24/36/48V Auto - Negative Grounded Model

Model No.: VENUS-MS4820N

48V 20A MPPT Solar Charge Controller


  •  Aluminum casing + tempered glass cover
  •  Touch screen operation
  •  12/24V battery system auto recognition
  •  300 days max data logging
  •  150Voc max PV input voltage
  •  Negative grounded design for RV use
  •  Inbuilt BT module for APP operation
  •  MPPT 20A max charge current


Advanced Maximum Power Point Tracking (MPPT) Technology

  •  Fast MPPT start with ultra fast of sweeping of the entire V-I curve
  •  Smart MPPT algorithm ensures a better tracking in multiple power points
  •  High PV harvest performance in weak sunlight conditions
  •  Excellent peak efficiency exceeds 98%

High Quality & Functions

  •  Aluminum casing for better cooling and charge function in high temperature
  •  Tempered glass cover, touch screen button for better operation
  •  Polyurethane filled inside for better cooling and waterproof
  •  Over rating electronic components to minimize the power loss from heating
  •  Full charge power output up to 45ºC
  •  Compensates battery charge voltages with use of temperature sensor
  •  LCD screen display
  •  Lead-acid AGM/GEL/Flooded & Lithium batteries supportable
 

Reliable Electronic Protections

  •  Advanced protections for battery charge & discharge
  •  Over-heating protection by power derating if temperature is high
  •  Allow max 25% exceeding rated power without controller damage
  •  Extensive protections including PV reverse polarity & reverse current protection

Extensive Device Functions

  •  RS485 port for Modbus communication
  •  External port for multiple devices parallel use
  •  External Bluetooth module connection for APP operation
  •  External remote LCD display connection
Solar Controller Parameter Value
Model No. MS4820N
System Wiring Grounded Negative Grounded
Battery System Voltage 12/24/36/48V
Auto (FLD/GEL/SLD)
Manual (Li/User)
No-load Loss 12mA/12V;10mA/24V;8mA/36V;6mA/48V
Max Solar Input Voltage <150Voc
Rated Solar Charge Current 20A
Max Solar Input Power 300W/12V ; 600W/24V ;
900W/36V ; 1200W/48V
Operating Temperature -35ºC ~ +45ºC
IP Protection IP34
Net Weight 1.0 KG
Communication Port RS485+Bluetooth(APP)
Operating Altitude ≤ 3000 meters
Controller Dimension 190*120*59mm
Battery Voltages Battery Parameters
Battery Types FLD SEL GEL
(default)
USER
(adjustable)
LI
(adjustable)
Equalize Charge Voltage 14.8V*n 14.6V*n Default
Boost Charge Voltage 14.6V*n 14.4V*n 14.2V*n Default: GEL Default: 14.2V*n
Float Charge Voltage 13.8V*n Default: GEL
Boost Charge Recovery Voltage 13.2V*n Default: GEL
Over-discharge Recovery Voltage
Over-discharge Voltage
Auto Temperature Compensation -3mV/2V/ºC Default: GEL
Accessory List Package Status
External Temperature Sensor Yes
Remote LCD Meter Optional
Bluetooth Module Yes/Inbuilt
Parallel Charge Use Cable Optional
Installation Guidance Paper Yes
User Manual Yes
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