Power of PV Panel: 1500Wp
Storage Battery：24*2V 400Ah
Intelligent Controller: 48V40A
Inverter: 3000VA
Power of Load: ＜2400W
Available Electricity: Approximate 4.5 KWH in sunshine day, and a little discrepancy for different regions.

As long as you have provided the following information, we could design an optimal system for you!
Where is solar energy electricity generation system applied? How about the solar radiation in the area?

How much is load power of the system?
How much is output voltage of the system? Positive current or alternating current?
How many hours worked the system everyday?
How many days supplied the system continuously in overcast and rainy days?

Which solar module do you prefer, Crystalline Solar Module or Amorphous Silicon Solar Module.
How many systems will be used? Grid-connected or not.