Temank supply 12V 24V  30A MPPT ML2430 Solar Charge and Discharge Controller
Temank supply 12V 24V  30A MPPT ML2430 Solar Charge and Discharge Controller
Temank supply 12V 24V  30A MPPT ML2430 Solar Charge and Discharge Controller
Temank supply 12V 24V  30A MPPT ML2430 Solar Charge and Discharge Controller

Temank supply 12V 24V 30A MPPT ML2430 Solar Charge and Discharge Controller

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  • Brand: Temank
  • Product Model: ML2430
  • Type: Solar Charge And Discharge Controller
  • 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

Model

ML2420

ML2430

ML2440

Battery voltage

12V/ 24V

Max. solar panel voltage

100V (25°C), 90V (-25°C)

Charging current

20A

30A

40A

Discharging current

20A

 

Temank ML 2430 Solar Charge Controller Specification Parameters

Parameter

Value

Model

ML2420

ML2430

ML2440

System voltage

12V/24V Auto

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

Max. capacitive load capacity

10000uF

Max. photovoltaic system input power

260W/ 12V

520W/ 24V

400W/ 12V

800W/ 24V

550W/ 12V

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

Weight

1.4kg

2kg

2kg

Communication method

RS232

Altitude

≤ 3000m

Product dimensions

210*151*59.5mm

238*173*72.5

238*173*72.5

 

Battery Type Default Parameters (parameters set in monitor software)

Parameters cross-reference table for different types of batteries

 

Voltage to set

Battery type

Sealed lead-acid battery

Gel lead-acid battery

Open lead-acid battery

User (self-customized)

Over-voltage cut-off voltage

16.0V

16.0V

16.0V

9 to 17V

Equalizing voltage

14.6V

——

14.8V

9 to 17V

Boost voltage

14.4V

14.2V

14.6V

9 to 17V

Floating charging voltage

13.8V

13.8V

13.8V

9 to 17V

Boost return voltage

13.2V

13.2V

13.2V

9 to 17V

Low-voltage cut-off return voltage

12.6V

12.6V

12.6V

9 to 17V

Under-voltage warning return voltage

12.2V

12.2V

12.2V

9 to 17V

Under-voltage warning voltage

12.0V

12.0V

12.0V

9 to 17V

Low-voltage cut-off voltage

11.1V

11.1V

11.1V

9 to 17V

Discharging limit voltage

10.6V

10.6V

10.6V

9 to 17V

Over-discharge time delay

5s

5s

5s

1 to 30s

Equalizing charging duration

120 minutes

——

120 minutes

0 to 600 minutes

Equalizing charging interval

30 days

0 days

30 days

0 to 250D (0 means the equalizing charging function is disabled)

Boost charging duration

120 minutes

120 minutes

120 minutes

10 to 600 minutes


When selecting User, the battery type is to be self-customized, and in this case, the default system voltage parameters are consistent with those of the sealed lead-acid battery. When modifying battery charging and discharging parameters, the following rule must be followed:

ØOver-voltage cut-off voltage> Charging limit voltage ≥ Equalizing voltage ≥ Boost voltage ≥ Floating charging voltage > Boost return voltage;

ØOver-voltage cut-off voltage > Over-voltage cut-off return voltage;

ØLow-voltage cut-off return voltage > Low-voltage cut-off voltage ≥ Discharging limit voltage;

ØUnder-voltage warning return voltage > Under-voltage warning voltage ≥ Discharging limit voltage;

ØBoost return voltage > Low-voltage cut-off return voltage

 

Temank ML2430 Solar Charge And Discharge Controller  Overview

Temank ML2430 Solar Charge And Discharge Controller 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.
Temank ML2430 Solar Charge And Discharge Controller 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.

Solar Charge Controller, Temank, ML2420, 12V/24V Solar Charge Controller

Solar Charge Controller, Temank, ML2420, 12V/24V 20A Solar Charge Controller

Fig. 1-1 Product appearance and interfaces

No.

Item

No.

Item

1

Charging indicator

10

Battery "+" interface

2

Battery indicator

11

Battery "-" interface

3

Load indicator

12

Load "+" interface

4

Abnormality indicator

13

Load "-" interface

5

LCD screen

14

External temperature sampling interface

6

Operating keys

15

RS232 communication interface

7

Installation hole

 

 

8

Solar panel "+" interface

 

 

9

Solar panel "-" interface

 

Introduction to Maximum Power Point Tracking Technology

Maximum Power Point Tracking (MPPT) is an advanced charging technology that enables the solar panel to output more power by adjusting the electric module's operating status. Due to the nonlinearity of solar arrays, there exists a maximum energy output point (maximum power point) on their curves. Unable to continuously lock onto this point to charge the battery, conventional controllers (employing switching and PWM charging technologies) can't get the most of the power from the solar panel. But a solar charge controller featuring MPPT technology can continuously track arrays' maximum power point so as to get the maximum amount of power to charge the battery.
Take a 12V system as an example. As the solar panel's peak voltage (Vpp) is approximately 17V while the battery's voltage is around 12V, when charging with a conventional charge controller, the solar panel's voltage will stay at around 12V, failing to deliver the maximum power. However, the MPPT controller can overcome the problem by adjusting the solar panel's input voltage and current in real time, realizing a maximum input power.
Compared with conventional PWM controllers, the MPPT controller can make the most of the solar panel's max. power and therefore provide larger charging current. Generally speaking, the latter can raise the energy utilization ratio by 15% to 20% in contrast with the former.

Solar Charge Controller, Temank, ML2420, 12V/24V, 20A, Solar Charge Controller

Meanwhile, due to changing ambient temperature and illumination conditions, the max. power point varies frequently, and Temank MPPT controller can adjust parameter settings according to the environmental conditions in real time, so as to always keep the system close to the max. operating point. The whole process is entirely automatic without the need of human intervention.

Solar Charge Controller, Temank, ML2420, 12V/24V, 20A, Solar Charge Controller

Solar Charge Controller, Temank, ML2420, 12V/24V, 20A, Solar Charge Controller

Wiring Specifications

Wiring and installation methods must comply with national and local electrical specifications.

The wiring specifications of the battery and loads must be selected according to rated currents, and see the following table for wiring specifications:

Model

Rated charging current

Rated discharging current

Battery wire diameter

(mm2)

Load wire diameter (mm2)

ML2420

20A

20A

5

5

ML2430

30A

20A

6

5

ML2440

40A

20A

10

5

 

LCD Startup And Main Interface

Temank, Solar Charge And Discharge Controller, ML2420, 12V/24V, 20A, Solar Charge Controller

Startup interface

Solar Charge And Discharge Controller, Temank, ML2420, 12V/24V, 20A, Solar Charge Controller

During startup, the 4 indicators will first flash successively, and after self-inspection, the LCD screen starts and displays the battery's voltage level which will be either a fixed voltage selected by the user or a voltage automatically recognized.

Main interface

Solar Charge Controller, Temank, ML2420, 12V/24V, 20A, Solar Charge And Discharge Controller

Please download the manual about Temank ML2430 as below :

Temank ML2430 Solar Charge and Discharge Controller User Manual