Features
1. Intelligently maximum power point tracking
2. Improve the efficiency of solar panel by 10%~30%
3. Working efficiency is between 95%~97%
4. All necessary protections equipped
Product Functions
Overloading Protection;
Short-Circuit Protection;
Reverse Discharging Protection;
Reverse Polarity Protection;
Thunder-proof;
Under-Voltage Protection;
Over-Charge Protection;
Load Under-Voltage Stopping LVD Setting;
Indication of
Renew Set of Load Starting-up;
Intelligent Temperature Compensation;
Total Charge Storage Hours & LCD Display;
Total Discharge Storage Hours & LCD Display
Principle (IU Figure below)
12V storage battery solar charging V-A trait graph below:
Using general controller: then, solar panel is working at A point (status), system voltage is a little higher than voltage of storage battery.
Charge Voltage UA=13.2V,
Charge Current IA=9.8A
Charge Current PA=13.2*9.8=129.36w
Efficiency Square=1+3
Using MPPT Controller: then, solar panel is working at B point (status), system voltage is far higher than voltage of storage battery.
Charge Voltage UB=18.4V,
Charge Current IB=9.3A
Charge Power PB=18.4*9.3=171.12w
Efficiency Square=1+2
Comparison: (PB-PA)/PA =32.3%
MPPT controller can improve 32.3% efficiency more than general controllers.
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