用2W左右的太阳能电池板(电压5V左右),在太阳能充足时为锂电池充电并且为负载供电,在太阳能不足时为锂电池补充供电或锂电池单独供电。
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.