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Product Features:


1. 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.


2. 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.


3. A combination of multiple tracking algorithms enables accurate tracking of the optimum working point on the I-V curve in an extremely short time.


4. The product boasts an optimum MPPT tracking efficiency of up to 99.9%.


5. Advanced digital power supply technologies raise the circuit's energy conversion efficiency to as high as 98%.


6. Charging program options are available for different types of batteries including gel batteries, sealed batteries, open batteries, lithium batteries, etc.


7. 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.


8. Instantaneous large current startup of capacitive loads is supported.


9. Automatic recognition of battery voltage is supported.


10. LED fault indicators and an LCD screen which can display abnormality information help users to quickly identify system faults.


11. Historical data storage function is available, and data can be stored for up to a year.


12. 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.


13. The controller supports standard Modbus protocol, fulfilling the communication needs of various occasions.


14.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.


15. Featuring a temperature compensation function, the controller can automatically adjust charging and discharging parameters in order to extend.

    

Parameter

Value

Model

ML2420

ML2430

ML2440

System voltage

12V/24VAuto

No-load loss

0.7 W to 1.2W

Battery voltage

9V to 35V

Max. solar input voltage

100V(25℃) 90V(-25℃)

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 systerm input power

260W/12V

520W/24V

400W/12V

800W/24V

520W/12V

1040W/24V

Conversion efficiency

≤98%

MPPT tracking efficiency

99%

Temperature

compensation factor

-3mv/℃/2V(default)

Operating temperature

-35℃  to +45℃

Protection degree

IP32

Weight

1.4Kg

2Kg

2Kg

Communication method

RS232

Altitude

≤ 3000m

Product dimensions

210*151*59.5mm

238*173*72.5mm

238*173*72.5mm


MPPT Solar Charge Controller ML2420

FAQs:

Q1: What kind of certificates you have for your solar controllers ?
SRNE:Our solar controller has CE,ROHS,ISO9001 certificates approved.

 

Q2: Are you a manufacturer or trading company?
SRNE:We are a state-level high-tech enterprise that integrates pluralism, R&D and manufacturing as one with PV controller,PV inverter,PV energy storage oriented.And we have our own factory.

 

Q3: Can I buy one sample for testing?
SRNE:Sure,we have a 8 years experience R&D team and in timely after sale service,can help you fix any technicial problem or confusion.

 

Q4: How are about the delivery?
SRNE:
Sample:
1-2 working days
Order: within 7 working days depending on the order quantities
OEM Order:4-8 working days after confirming the sample

 

Q5: How're about your customers service?
SRNE:All solar controllers will be tested strictly one by one before leaving factory,And the defective rate is below 0.1%.we do try our best to provide a good customer service.

 

Q6:Minimum Order Quantity?

SRNE:Be equal or greater than 1 piece.


MPPT Solar Charge Controller ML2420

MPPT Solar Charge Controller ML2420

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