MPPT solar charge controller , Negative Grounded controller , solar charge controller

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20A MPPT Solar Charge Controller Buck-Boost 12V/24V/36V/48V auto

Model NO.M4820CUK

1.DC-DC Buck-Boost charge mode with Negative Grounded design, suitable for energy storage equipment use.

2.Advanced MPPT scanning technology & effective temperature management, ensuring efficient, reliable and lasting solar DC charge.

3.Support SEL, GEL, FLD, LI and USE battery types.

4.Support 12V/24V/36V/48V automatic detection, lithium battery requires the user to set the system voltage.

5.PCBA glued with polyurethane & silicon mixture, for a great cooling and waterproof system, ensures better charge performance in environment of high temperature and high humidity.

6.Support Bluetooth RS485, CAN communication, using Modbus, RV-C communication protocol (support customer customization protocol and communication media), optional remote LCD screen.

20A MPPT Solar Charge Controller Buck-Boost 12V/24V/36V/48V auto

Features
Specifications
Downloads
Optional Accessories

20a MPPT solar charge controller

12V 24V 36V 48V 20a MPPT solar charge controller
Negative Grounded controller

Model No.: M4820CUK(MPPT solar charge controller)

12/24/36/48V battery system auto recognition
＜150Voc max PV input voltage
20A max charge current
300W/12V; 600W/24V900W/36V;1200W/48V max PV input power
300 days max data logging
0.3W max self power consumption
Negative grounded design
Inbuilt BT module for APP operation

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

No cooling fan; over rating size heating sink
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; key operation for parameter settings
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
Extra 20A DC load output control with various of load modes
External Bluetooth module connection for APP operation
External remote LCD display connection

Application:

Marine
RV/Caravan Marine Solar Home Solar Bag

Solar Controller Parameter

20A MPPT Solar Charge Controller Buck-Boost 12V/24V/36V/48V auto

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