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Main 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. Different charging program options including those for gel batteries, sealed batteries and open batteries, customized ones, etc. are available. 

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. Automatic recognition of battery voltage is supported. 

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

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

11. 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. 

12. The controller supports standard Modebus protocol, fulfilling the communication needs of various occasions. 

13. All communications are electrically isolated, so users can rest assured in usage. 

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 and discharging will be halted so as to curb the temperature rise of the controller, effectively keeping the controller from being damaged by overheat. 

15. With the help of an external battery voltage sampling function, battery voltage sampling is exempted from the effect of line loss, making control more precise. 

16. Featuring a temperature compensation function, the controller can automatically adjust charging and discharging parameters in order to extend the battery's service life. 

17. The controller also features a battery over-temperature protection function, and when the external battery temperature exceeds the set value, charging and discharging will be shut off so as to protect components from being damaged by overheat. 

18. TVS lighting protection






System voltage

12V/24V/36V/48V Auto

No-load loss


Battery voltage

9V to 65V

Max. solar input voltage

150V (25°C), 145V (-25°C)

Max. power point voltage range

Battery voltage +2V to 120V

Rated charging current


Rated load current


Max. capacitive load capacity


Max. photovoltaic system input power

800W/12V; 1600W/24V; 2400W/36V; 3200W/48V

Conversion efficiency

≤ 98%

MPPT tracking efficiency


Temperature compensation factor

-3mv/°C/2V (default)

Operating temperature

-35°C to +45°C

Waterproof level




Communication method

RS232 RS485


≤ 3000m

Product dimensions


MPPT Solar Charge Controller ML4860N15


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?
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 ML4860N15

MPPT Solar Charge Controller ML4860N15

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