US $109.45Original Price : US $199.00 (45%)
Limited Offer MPPT Solar Charger and Discharger Controller 40A 30A LCD Max 100V Solar Panel Regulator with Heat S with Free Worldwide Shipping!


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Product description
[32986868215]Overview:
This product can keep monitoring the solar panel's generating power and tracking the highest voltage and current values (VI) in real time, enabling the system to charge the battery in maximum power. It's designed to be used in off-grid solar photovoltaic systems to coordinate operation of the solar panel, battery and load, functioning as the core control unit in off-grid photovoltaic systems.
This product features an LCD screen which can dynamically display the operating status, operating parameters, controller logs, control parameters, etc. Users can conveniently check parameters by the keys, and modify control parameters to cater to different system requirements.
The controller utilizes standard Modbus communication protocol, making it easy for users to check and modify system parameters on their own. Besides, by providing free monitoring software, we give users the maximum convenience to satisfy their varied needs for remote monitoring.
With comprehensive electronic fault self-detecting functions and powerful electronic protection functions built inside the controller, component damage caused by installation errors or system failures can be avoided to the greatest extent possible.
Features:
With the advanced dual-peak or multi-peak tracking technology, when the solar panel is shadowed or part of the panel fails resulting in
multiple peaks on the I-V curve, the controller is still able to accurately track the maximum power point.
A built-in maximum power point tracking algorithm can significantly improve the energy utilization efficiency of photovoltaic systems,
and raise the charging efficiency by 15% to 20% compared with the conventional PWM method.
A combination of multiple tracking algorithms enables accurate tracking of the optimum working point on the I-V curve in an extremely
short time.
The product boasts an optimum MPPT tracking efficiency of up to 99.9%.
Advanced digital power supply technologies raise the circuit's energy conversion efficiency to as high as 98%.
Charging program options are available for different types of batteries including gel batteries, sealed batteries, open batteries, lithium
batteries, etc.
The controller features a limited current charging mode. When the solar panel power exceeds a certain level and the charging current is
larger than the rated current, the controller will automatically lower the charging power and bring the charging current to the rated level.
Instantaneous large current startup of capacitive loads is supported.
Automatic recognition of battery voltage is supported.
LED fault indicators and an LCD screen which can display abnormality information help users to quickly identify system faults.
Historical data storage function is available, and data can be stored for up to a year.
The controller is equipped with an LCD screen with which users can not only check device operating data and statuses, but also modify
controller parameters.
The controller supports standard Modbus protocol, fulfilling the communication needs of various occasions.
The controller employs a built-in over-temperature protection mechanism. When temperature surpasses the set value, the charging
current will decline in linear proportion to the temperature so as to curb the temperature rise of the controller, effectively keeping the
controller from being damaged by overheat.
Featuring a temperature compensation function, the controller can automatically adjust charging and discharging parameters in order to
extend the battery's service life.
TVS lighting protection.
1. Charging indicator
2.Battery indicator
3.Load indicator
4.Abnormality indicator
5.LCD screen
6.Operating keys
7.Installation hole
8.Solar panel "+"interface
9.Solar panel "-"interface
10.Battery "+" interface
11.Battery "-" interface
12.Load "+" interface
13.Load "-" interface
14.External temperature sampling interface
15.RS232 communication interface
Four Charging:
Fast charging, Sustaining charging ,floating charging, Equalizing charging
Main interface:
?
Load modes:
No.
Mode
Descriptions
0
Sole light control(nighttime on and daytime off)
When no sunlight is present, the solar panel voltage is lower than the light control on
voltage, and after a time delay, the controller will switch on the load; when sunlight
emerges, the solar panel voltage will become higher than the light control off voltage,
and after a time delay, the controller will switch off the load.
1 to 14
Light control + time control 1 to 14 hours
When no sunlight is present, the solar panel voltage is lower than the light control on
voltage, and after a time delay, the controller will switch on the load. The load will be
switched off after working for a preset period of time.
15
Manual mode
In this mode, the user can switch the load on or off by the keys, no matter whether it's
day or night. This mode is designed for some specially purposed loads, and also used
in the debugging process.
16
Debugging mode
Used for system debugging. With light signals, the load is shut off; without light
Main monitoring page signals, the load is switched on. This mode enables fast check of the correctness of system installation during installation debugging
17
Normal on mode
The energized load keeps outputting, and this mode is suitable for loads which need
24-hour power supply.
Parameters:
Model
ML2420
ML2430
ML2440
System voltage
12V/24VAuto
No-load loss
0.7 W to 1.2W
Battery voltage
9 to 35
Max. solar input voltage
100V (25°C), 90V (-25°C)
Max. power point voltage range
Battery voltage +2V to 75V
Rated charging current
20A
30A
40A
Rated load current
20A
Battery wire diameter(mm2)
5
6
10
Load wire diameter (mm2)
5
5
5
Max. capacitive load capacity
10000uF
Max. photovoltaic system input power
260W/ 12V
400W/ 12V
550W/ 12V
520W/ 24V
800W/ 24V
1100W/ 24V
Conversion efficiency
≤ 98%
MPPT tracking efficiency
> 99%
Temperature compensation factor
-3.0mv/ °C/ 2V (default)
Operating temperature
-35°C to +45?
Protection degree
IP32
Communication method
RS232
Altitude
≤ 3000m
Product dimensions
210*151*59.5mm
238*173*72.5
238*173*72.5
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