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SMC2 Series MPPT Solar Charge Controller
SMC2 series is a max. power point tracking function with high efficiency MPPT solar charge controller, with 20-60A rated charge current, 12V, 24V, 48V, 96V system automatic recognition.
Key Features


Advanced MPPT technology, conversion efficiency up to 99%

12V/24V/48V battery system (automatic recognition)

Rated charge current: 20A/30A/40A/50A/60A

Maximum PV input voltage up to DC150V (12/24/48V system), 300V (96V system)

Paralleled operation up to 100units

 RS232 communication port

Journal function, save function set, date, time, generating capacity etc.

LED & LCD display: PV input voltage, battery types, battery voltage, charging current, charging power, working status etc.

Battery types: Gel (defaulted), Sealed Lead Acid, Vented, Ni-Cd and user-defined

Charge mode: three stages (fast/ constant/ floating charge), which prolongs service life of the battery


Charge   ModeMPPT(maximum power point tracking)
Charge MethodThree stages: fast charge (MPPT), contant voltage, floating charge)
System TypeDC96VDC12V/24V/48V(Automatic recognition)
System   Voltage RangeDC72   ~ 120V12V system: DC9 ~ 15V, 24V system: DC18 ~ 30V,   48V system: DC36 ~ 60V
Soft   Start Time10s
Dynamic Response Recovery Time500us
Conversion   Efficiency96.5%, 99%
PV   Modules Utilization Rate99%
Input Characteristics
MPPT Working Voltage and rangeDC125   ~ 300V12V system: DC18 ~ 150V, 24V system: DC34 ~ 150V, 48V system: DC65 ~   150V
Low Voltage Input Protection VoltageDC120V12V system: DC16V, 24V system: DC30V, 48V system: DC60V
Low Voltage Input Recovery VoltageDC125V12V system: DC22V, 24V system: DC34V, 48V system: DC65V
Max DC VoltageDC300VDC160V
Input   Overvoltage Protection PointDC300VDC150V
Input   Overvoltage Recovery PointDC295VDC145V
Max. PV Power12V system (W)/570W700W900W
24V system (W)1130W1400W1700W
48V system (W)2270W2800W3400W
96V system (W)2240W3400W/
Output Charge Characteristics
Selectable Battery TypesSealed lead acid, Vented, Gel, NiCd battery   (Other types of batteries also can be defined, default type is GEL Battery)
Constant / Floating Charge VoltagePlease check the charge voltage according to   battery's type form.
Over Charge Protection VoltageDC116.8V12V system: DC14.6V, 24V system: DC29.2V, 48V system: DC58.4V
Rate Charge/ Output    Current20A30A40A50A60A
Current-limiting Protection25A35A44A55A66A
Temperature Factor±0.02%/
Temperature   Compensation14.2V-(The highest temperature -25)*0.3
Output Ripples (peak)200mV
Output Voltage Stability Precision±1.5%
LCD DisplayInput, output parameter and output power etc. (Check LCD display   instruction)
LED Display3 LEDs indicates: Fault/Charge/Power Source light (Check LED   instruction)
Communication Features
RS232 Choose COM communication
Input/ Output Polarity Reversal Protectionyes
Short-circuit ProtectionRecover after eliminating the Short-circuit fault, no problem for long   term Short-circuit
Temperature Protection95 ( Above 85, output power decreasing,   temperature will decrease 3A/)
Other Parameters
Thermal   Heat-dissipating MethodForced air cooling, fan speed rate regulated by   temperature, when inner temperature is too low, fan ran slowly or stop, when   controller stop working, fan also work off.
Environmental   ProtectionCompliance to 2002/95/EC, no cadmium hydride and fluoride.
SmellNo peculiar smell and toxic substances.
Size (DxWxH)mm270*185*90
Package Size (DxWxH)mm330*245*150
N.W (KG)3
G.W (KG)3.6
Type of Mechanical ProtectionIP21
Humidity/ Altitude0-99% RH ( No condense)/ 0-3000m
Operating/ Storage Temperature-20 ~ + 40/ -40 ~ + 75
Atmospheric   Pressure70~106KPa