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*It has an efficient MPPT algorithm, MPPT efficiency ≥99.5%, and converter efficiency up to 98%.
*Charge mode: three stages (constant current, constant voltage, floating charge), it prolongs the service life of the batteries.
*Four types of load mode selection: ON/OFF, PV voltage control, Dual Time control, PV+Time control.
*Battery system voltage automatic recognition.
*Three kinds of commonly used lead-acid battery (Seal(GelF loaded) parameter settings can be selected by the user, and the user can also customize the parameters for other battery charging.
*It has a current limiting charging function. When the power of PV is too large, the controller automatically keeps the
charging power, and the charging current will not exceed the rated value.
*High definition LCD display function to check the device running data and working status, also can support modify the controller display parameter.
*RS485 communication, we can offer communication protocol to convenient user’s integrated management and secondary development.
*Support PC software monitoring and WiFi module to realize APP cloud monitoring.
*CE, RoHS, FCC certifications approved, we can assist clients to pass various certifications.

Common positive type E20 E30 E40 E50 E60
Product category ControlerType MPPT (maximum power point tracking)
MPPT efficiency 0.995
Standby power 0.5W-1.2W
System voltage Automatic recognition
Heat-dissipating method Intelligent fan cooling
Input Characteristics Max.PV input voltage(VOC) 150VDC
Stan charging voltage Real-time battery voltage + 3V
Input low voltage protection voltage Real-time battery voltage + 2V
Overvoltage protection point 150VDC
12V Lead-acid battery system 260W 390W 520W 650W 780W
24V Lead-acid battery system 520W 780W 1040W 1300W 1560W
36V Lead-acid battery system 780W 1170W 1560W 1950W 2340W
48V Lead-acid battery system 1040W 1560W 2080W 2600W 3120W
Type of battery Sealed lead-acid, Gel battery, Flooded(Other types of the batteries also can be defined)
Rated maximum charging current 20A 30A 40A 50A 60A
Charge Method Stage 3: CC (quick charging) – CV (constant voltage charging) – CF (floating charging)
LOAD Characteristics Load Voltage The same as the battery voltage
Load rated current 40A 60A
Load control mode OnOff mode, PV voltage control mode, Dual-time control mode, PV+Time control mode
Display & Communication Display HD LCD color segment code display
Communication 8-pin RJ45 port/RS485/support PC software monitoring/support WiFimodule to realize APP cloud monitoring
Other Parameters Protection Function Input-output over\ under-voltage protection, Prevention of connection reverse protection battery shedding protection, etc.
Operating ambient temperature -20℃-+50℃
Storage Temperature -40℃-+75℃
IP (ingress protection) IP21
Max. connection size 20mm2 30mm2
Net Weight(kg) 2.3 2.6
Gross Weight (kg) 3 3.5
product size( mm) 240*168*66 270*180*85
Packing Size( mm) 289*204*101 324*223*135


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