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Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi

Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi

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Introducing the M2420N 20A MPPT Charge Controller 12/24V Auto-Negative Grounded Model, your reliable solution for small and medium-sized solar standalone power systems.

Advanced MPPT Technology:

Equipped with advanced Maximum Power Point Tracking (MPPT) technology, the M2420N ensures optimal efficiency in harvesting solar energy. Maximize the power output from your solar panels and enjoy increased charging efficiency for your batteries.

Tailored for North American Standards:

The M2420N is specifically designed to meet the electrical wiring standards widely required in solar power systems in North America. Its negative grounded model ensures seamless integration into your solar setup, providing peace of mind and compliance with regional regulations.

Flexible Voltage Compatibility:

With support for both 12V and 24V systems, this charge controller offers versatility to accommodate various solar configurations. Whether you're powering small-scale residential setups or medium-sized off-grid applications, the M2420N adapts to your voltage needs with ease.

Reliable Performance:

Built to deliver reliable performance, the M2420N is engineered to handle the demands of everyday use in solar applications. Its robust design and durable construction ensure long-term functionality, providing consistent and stable charging for your batteries.

User-Friendly Operation:

Experience hassle-free installation and operation with the M2420N. Its user-friendly interface and intuitive controls make it easy to set up and monitor your solar system. Stay in control of your energy production and storage with confidence.

Upgrade your solar power system with the M2420N 20A MPPT Charge Controller 12/24V Auto-Negative Grounded Model and unlock the full potential of your solar energy setup. Efficient, compliant, and reliable – it's the perfect choice for your solar charging needs.

Function

* 12/24V battery system auto recognition

* 100Voc max PV input voltage 

* 20A max charge current

* 600W 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 starts with ultra-fast of sweeping of the entire V-I curve

* Smart MPPT algorithm ensures 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

* Overrating electronic components to minimize the power loss from heating

* Full charge power output up to 45ºC

* Compensates battery charge voltages with the use of a 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 the 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 load modes

* External Bluetooth module connection for APP operation

* External remote LCD connection


Controller Parameter
Value
Model No.
M2420N
M2430N
M2440N
M4850N
M4860N
System Wiring
Negative Grounded
Battery System Voltage
12V/24V
Auto (FLD/GEL/SEL/USE)
Manual (Li/USE)
12V/24/36/48V
Auto (FLD/GEL/SEL/USE)
Manual (Li/USE)
No-load Loss
12mA/12V;10mA/24V
12mA/12V;10mA/24V
5mA/36V;6mA/48V
Max Solar Input Voltage
<100Voc
<150Voc
Rated Solar Charge Current
20A
30A
40A
60A
Max Solar Input Power
300W/12V
600W/24V
450W/12V
900W/24V
600W/12V
1200W/24V
750W/12V
1500W/24V
2200W/36V
2700W/48V
900W/12V
1800W/24V
2600W/36V
3200W/48V
Light Control Voltage
5V*n
Light Control Delay Time
10s
Max Load Output Current
20A
IP Protection
IP32
Net Weight
1.21KG
2.02KG
2.02KG
3KG
4.55KG
Communication Port
RS485
Operating Altitude
≤ 3000 m
Controller Dimension(mm)
180*140*71.1
245*180*82.5
245*180*82.5
280*210*90.6
280*210*102.7
Battery Voltages
Battery Parameters
Battery Types
FLD
SEL
GEL
USE
(adjustable)
LI
(adjustable)
Equalize Charge Voltage
14.8V*n
14.6V*n
-
Default
-
Boost Charge Voltage
14.6V*n
14.4V*n
13.2V*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
12.6V*n
Default: GEL
-
Over-discharge Voltage
11.1V*n
Default: GEL
Default: 14.2V*n
Auto Temperature Compensation
-3mV/2V/ºC
Default: GEL


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