SRNE Waterproof MPPT Solar Charge Controller
30A 48V MPPT Solar Automatic Voltage Regulator
Features
* MPPT tracking efficiency can be as high as 99.9%.
* Advanced digital power technology, with circuit energy conversion efficiency as high as 98%.
* Supporting charging procedures of gel batteries, sealed batteries, open batteries, lithium batteries and other types of batteries.1
* Supporting the start of capacitive load instantaneous large current.
* Supporting automatic identification of battery voltage.
* LED indicator of malfunction, buzzer alarm, and liquid crystal display of abnormal information.
* Supporting historical data storage for up to 5 years.
* LCD screen display function.
* Supporting standard Modbus protocol that meets communication needs on different occasions.
* Built-in mechanism of over-temperature protection.
* External battery voltage sampling function.
* Temperature compensation functions.
* TVS lightning protection
Note 1:Only the ML-LI model supports lithium battery charging and discharging function.
Appearance
Specification
| Parameter Name | Parameter Value |
| Model | ML2440/ML2440-LI | ML4830/ML4830-LI |
| System Voltage | 12V/24VAuto | 12V/24V/36V/48V Auto |
| No-Load Loss | 0.7 W~1.2W |
| Battery Voltage | 9~35 | 9~70 |
| Max Solar Energy Input Voltage | <150V |
| Max Power Point Voltage Scope | Battery Voltage +2V ~ 120V |
| Rated Charging Current | 40A | 30A |
| Rated Load Current | 20A | 20A |
| Max capacitive load capacity | 10000uF |
| PV System Max Input Power | 520W/12V 1040W/24V | 400W/12V 800W/24V 1200W/36V 1600W/48V |
| Conversion Efficiency | ≤98% |
| MPPT Tracking Efficiency | >99% |
| Temperature compensation coefficient | -3mv/℃/2V(Default) |
| Working Temperature | -35℃ ~ +45℃ |
| Protection Level | IP32 |
| Weight | 2.3kg |
| Max Wiring Size | 25 mm2 |
| Communication Mode | RS485, RS232 |
| Altitude | ≤ 3000m |
| Product Size | 266*182*81mm |
| Comparison Table of Parameters for Each Type of Battery |
| Setting Voltage Battery Type | Sealed Lead-Acid Battery | Gelled Lead-Acid Battery | Open Lead-Acid Battery | User (User- Defined |
| Overvoltage Disconnect Voltage | 16.0V | 16.0V | 16.0V | 9~17V |
| Equalizing Voltage | 14.6V | —— | 14.8V | 9~17V |
| Boost Voltage | 14.4V | 14.2V | 14.6V | 9~17V |
| Floating Voltage | 13.8V | 13.8V | 13.8V | 9~17V |
| Boost Restoring Voltage | 13.2V | 13.2V | 13.2V | 9~17V |
| Low Voltage Disconnect Restoring Voltage | 12.6V | 12.6V | 12.6V | 9~17V |
| Under-Voltage Alarming Restoring Voltage | 12.2V | 12.2V | 12.2V | 9~17V |
| Under-Voltage Alarming Voltage | 12.0V | 12.0V | 12.0V | 9~17V |
| Low Voltage Disconnect Voltage | 11.1V | 11.1V | 11.1V | 9~17V |
| Discharging Limit Voltage | 10.6V | 10.6V | 10.6V | 9~17V |
| Over-Discharge Delay Time | 5s | 5s | 5s | 1~30s |
| Equalizing Duration Time | 120 minutes | —— | 120 minutes | 0~600 minutes |
| Equalizing Charging Interval | 30 days | 0 day | 30 days | 0~250D(00 refers to close equalizing charging function)) |
| Boost Duration Time | 120 minutes | 120 minutes | 120 minutes | 10~600 minutes |
Why choose us?
SRNE, as a high-tech enterprise with the government support ,and with own R&D team as well as factory, has become the famous brand and the experts of PV storage management and control, we always insist on good quality, professional service and leading technology. Besides, customer can purchase premium products with favorable prices from us.
Our R&D team and service: in SRNE, there' re some technicians having more than 10 years experience in the field of solar controller and all the products we design are the trend of market development.
Our tenet is continuously in pursuit of warm customer service.
