无论电池具体是由什么成分组成，所有电池的基本工作方式都是一样的。
All batteries, no matter what their exact composition, work in the same fundamental way.
设计出用于阵列MPPT的DC／DC电路和具有蓄电池分组充、放电电路。
A charging (discharging) circuit for storage battery and a DC/DC circuit for MPPT of array are designed.
太阳能电池板的表面由两个性质各异的部分组成。
Forms by each different parts of two quality on the surface of solar energy cell board.
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