不是大师。我建议的小系统，需要在日常生活中做一些改变。你这空调，要换成国内那种壁挂式。那样小系统就能带动了。

谷歌出的建议是 100ah电池/ton, so 4 tons would need 4 LIFEPO4 batteries. To keep them charged by solar, I would say you need 6 - 8 100 watt solar panels.