Hybrid inverters charge the batteries using solar power during daylight. If the Battery goes low, or during insufficient lighting, they charge the batteries from the Grid. These systems automatically switch between the solar power and the Grid.
This is great way of replacing polluting diesel generators. Your electricity bill will be reduced and your diesel bill will be eliminated.
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Yuanfang Optoelectronics said that the overall development of the company was stable and good, and the performance in the second quarter was significantly improved compared with the first quarter. 
Yuanfang Optoelectronics (300306) announced on July 9 that it expects to achieve a profit of about 37.09 million yuan to 42.66 million yuan in the first half of this year, an increase of 0%-15% over the same period of the previous year.