Description of Function
MPPT-DC series intelligent MPPT solar controller is programmable and
especially for boost mode LED solar street light system. It includes
constant current driver function. The charging efficiency is about 20%
higher than the traditional PWM controller, which can drop the cost of the
whole system.
Innovative Max Power Point Tracking(MPPT) technology, tracking efficiency >99.9%
Full digital technology, high charge conversion efficiency up to 97.5%, discharge
conversion efficiency up to 96.5%
Can output constant current (output current can be set)
Can read parameters and running status
If battery voltage is low, it can be set to dimming
Dimming start voltage and percentage can be set
Day/Night threshold can adjust automatically
When BMS power off because of LVD, it can activate the system automatically
External temperature sensor, automatic temperature compensation(AGM, Liquid and GEL)
Four stages charge way: MPPT, boost, equalization, float
IP67, Strong and durable aluminum caseFull automatic electronic protect function
Item | MPPT0850-DCLi | MPPT0875-DCLi | MPPT1050-DCLi | ||
Battery Parameters | System Voltage | 12V | |||
Max Charging Current | 8A | 10A | |||
Max volt on Bat. Terminal | 25V | ||||
Battery Type | Liquid, Gel, AGM and Lithium(Programmable, default: Lithium) | ||||
Liquid, Gel, AGM | MPPT Charging Voltage | <14.5V@25℃ | |||
Boost Voltage | 14.5V @25℃ | ||||
Equalization Voltage | 14.8V @25℃（Liquid, AGM） | ||||
Float Voltage | 13.7V @25℃ | ||||
Low Volt. Disconnect | 10.8~11.8V(Programmable) | ||||
Reconnect Voltage | 11.4~12.8V(Programmable) | ||||
Overcharge Protect | 15.5V | ||||
Temp. Compensation | -4.17mV/K per cell (Boost, Equalization)， -3.33mV/K per cell (Float) | ||||
Lithium | Charging voltage target | 10.0~17.0V(Programmable, default: 12.6V) | |||
Charging voltage recovery | 9.2~16.8V(Programmable, default: 12.4V) | ||||
Low voltage disconnect | 9.0~15.0V(Programmable, default: 9.0V) | ||||
Low voltage reconnect | 9.6~16.0V (Programmable, default: 9.8V) | ||||
0℃ Charging protection | Yes, Slow, No(Programmable) | ||||
Panel Parameters | Max volt on PV terminal *1 | 35V | 60V | 45V | |
Max input power | 100W~120W | 120W~150W | |||
Dusk/Dawn detect volt. | 3.0~8.0V （Programmable） | ||||
Day/Night delay time | 0~30min（Programmable） | ||||
MPPT tracking range | （Battery Voltage +1.0V）~Voc*0.9 *2 | ||||
Load Parameters | Output Power | 1~50W | 1~60W | ||
Output Voltage | 20~35V | 20~58V | 20~45V | ||
Current setting range | 0.15~3.0A(Programmable) | ||||
Min current | 100mA(Dimming) | ||||
Current precision | ±2% | ||||
Dimming | 0~100%(Programmable) | ||||
Voltage of start dimming | 11.8~12.5V(Gel,AGM and Liquid); 10.0~17.0V(Lithium) | ||||
Dimming percentage | 1~20%(Programmable) | ||||
System Parameters | Max tracking efficiency | >99.9% | |||
Max charge conversion | 96.5% | ||||
Max LED driver efficiency | 96% | ||||
Self consumption | 6mA | 9mA | 6mA | ||
Dimensions | 85.8*63*23.1mm | 85.8*81*23.1mm | |||
Weight | 230g | 260g | |||
Ambient temperature | -35~+60℃ | ||||
Ambient humidity | 0~100%RH | ||||
Protection degree | IP67 | ||||
Max Altitude | 4000m | ||||
*1.This value represents the maximum voltage of the solar panel at the minimum operating ambient temperature. | |||||
*2.Voc means the open circuit voltage of the solar panel. | |||||
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