不是大師。我建議的小係統，需要在日常生活中做一些改變。你這空調，要換成國內那種壁掛式。那樣小係統就能帶動了。

穀歌出的建議是 100ah電池/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.