30A SRNE Solar Charge Controller 12 Voltage Automatic Switch ML4830N15
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.
Application:
Ideal for off-grid solar lighting system that needs light and timer control
Solar street light system
Solar garden light system
Solar billboard
Solar detection equipment etc.
Protection
* PV array short circuit
* over discharge Protection
* Discharge voltage protection
* IP21 Mechanical protection
* Load overload
* the input low voltage protection
* PV Lightning protection
* Battery reverse polarity
* The overcharger protection voltage
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 |
