· A combination of multiple tracking algorithms enables tracking the maximum power point quickly and accurately
· Innovative Max Power Point Tracking(MPPT) technology, tracking efficiency >99.9%
· Full digital technology, high charge conversion efficiency up to 98%
· LCD display design, read operating data and working condition easily
· Real-time energy statistics function
· 12/24/48V automatic recognition
· Flexible System battery selection: Liquid, Gel, AGM and Lithium
· Extends battery life through accurate remote temperature sensor
· Controller is protected against over-temperature due to built-in power reduction function
· Four stages battery charging process: MPPT, boost, equalization, float
· Dual automatic protection to avoid exceeding the rated charging power and current
· Multiple load control modes: Always on, Street lamp, User-defind Mode
· Two USB interfaces(only -EU model)
· IoT wireless communication or Bluetooth communication functions optional
· With the wireless communication function of the IoT, the controller can be connected remotely through IoT/GPRS
· Monthly charging data can be calculated and displayed by grouping and graphs
· Based RS-485 standard Modbus protocol with RJ11 interface to maximize the communication needs of different occasions
· Perfect EMC & thermal design
· Full automatic electronic protect function for increased charge controller availability
Parameters:
Item | MT2010 | MT3010 | MT2075 | MT3075 | MT4010 | ||
Battery Parameters | Max Charging Current | 20A | 30A | 20A | 30A | 40A | |
System Voltage | 12V/24V automatical recognization | ||||||
Battery Type | Gel, AGM, Liquid, Lithium (default: Gel） | ||||||
Max volt on Bat. Terminal | 35V | ||||||
Gel, AGM, Liquid | MPPT Charging Voltage | before boost or equalization charging stage | |||||
Boost Voltage | 14.0~14.8V/28.0~29.6V @25℃（default:14.5/29V） | ||||||
Equalization Voltage | 14.0~15.0V/28.0~30.0V @25℃（default:14.8/29.6V） | ||||||
Float Voltage | 13.0~14.5V/26.0~29.0V @25℃（default:13.7/27.4V） | ||||||
Low voltage disconnect | 10.8~11.8V/21.6~23.6V, SOC1~5 (default: 11.2/22.4V) | ||||||
Low voltage reconnect | 11.4~12.8V/22.8~25.6V（default: 12.0/24.0V) | ||||||
Overcharge Protect | 15.8/31.3V | ||||||
Temp. Compensation | -4.17mV/K per cell (Boost, Equalization)， -3.33mV/K per cell (Float) | ||||||
Lithium | Charging target voltage | 10.0~32.0V (Lithium, default: 14.4V) | |||||
Charging recovery voltage | 9.2~31.8V (Lithium, default: 14.0V) | ||||||
Low voltage disconnect | 9.0~30.0V (Lithium, default: 10.6V) | ||||||
Low voltage reconnect | 9.6~31.0V (Lithium, default: 12.0V) | ||||||
Panel Parameters | Max volt on PV terminal *1 | 95V | 55V | 95V | |||
Max input power | 260/520W | 390/780W | 260/520W | 390/780W | 520/1040W | ||
Day/Night threshold | 3.0~20.0V（default: 8.0/16.0V) | ||||||
Day/Night delay time | 0~30min（default: 0min) | ||||||
MPPT tracking range*2 | (Battery Voltage + 1.0V)~Voc*0.9 | ||||||
Load Parameters | Output Current | 20A | 30A | 20A | 30A | ||
Load mode | Always on, Street lamp, User-defind Mode | ||||||
System Parameters | Max tracking efficiency | >99.9% | |||||
Max charge conversion | 98.0% | ||||||
Dimensions(mm) | 189*182*64mm | 189*255*63mm | 189*182*58mm | 189*182*64mm | 189*255*69mm | ||
Weight | 1Kg | 1.5Kg | 1Kg | 1.3Kg | 2Kg | ||
Self consumption | ≤8mA(12V),≤12mA(24V) | ||||||
Communication | RS485(RJ11 interface) | ||||||
Optional | IoT, Cyber-BT (Internal / External) | ||||||
Grounding | Common Negative | ||||||
Power terminals | 6AWG (16mm2) | ||||||
Ambient temperature | -20~+55℃ | ||||||
Storage temperature | -25~+80℃ | ||||||
Ambient humidity | 0~100%RH | ||||||
Protection degree | IP32 | ||||||
Max Altitude | 4000m | ||||||
If you want to set up one solar system, you need to select several key components, first is solar panel, second is battery, third is solar charge controller, maybe forth is the inverter. Then you can set up one whole solar energy.
For battery, 12V batteries are popular. Like all car batteries are 12V, so most of solar systems like to use 12V batteries, especially solar RV systems.
For solar panels, the most popular are 60 cells panels, the working power will be from 260W to 290W. and the price is low, because all the on-grid systems like to use this type models. There are other types, like 36 or 72 cells panel, used for off-grid systems, the price is higher than 60 cells panels. So you can choose 275W cells panel, working voltage Vmp= 30V, Voc=37V.
For solar charge controllers, MPPT solar charge controllers market share is growing fast. The reason is that MPPT controller can increase 15-25% charging current than PWM solar controllers when battery voltage is low. And MPPT can use more solar panels in series than PWM, that means more flexible and easy application than PWM. Like 60 cells panels, you have to use MPPT solar charge controllers, can't use PWM controllers.
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