1) PV grid-connected PV systems to put into power,Without Battery Energy Storage,Directly through the grid-connected inverter,Put into power grid.Photovoltaic power generation is the development of photovoltaic power, and represent the most attractive use of energy in the 21st century technology 

2) Stand-alone systems are independent from the utility grid,avoiding the possibility of losing power when the grid goes down.Electricity from stand-alone systems are used on site,such as an RV or cabin.Power that is generated can be stored in batteries and used at night or on sunless days. A generator may also be used for back-up.For PV applications,the size of a stand-alone system is usually up to 50kW. 

We also can manufacture your customized specification according to the detailed requirement, for more, please contact our sales team and engineering dept. 

We are a leading manufacturer of renewable energy and energy-saving products, for more details, please refer to our on-line catalogue