When the battery the stored power put up, the solar controller to control the battery will not be a discharge, protect the accumulator.

当蓄电池所储存的电能放完时，太阳能控制器要控制蓄电池不被过放电，保护蓄电池。

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Solar power system consists of solar batteries, solar controller, battery (group) composition.

太阳能发电系统由太阳能电池组、太阳能控制器、蓄电池(组)组成。

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An analog maximum power point tracking (MPPT) controller integrated circuit (IC) based on open-circuit voltage method was proposed to enhance the photovoltaic conversion efficiency of solar cell.

为提高光伏电池的光电转换效率，设计一种基于开路电压法的光伏电池最大功率点跟踪(MPPT)控制芯片。

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Their solar panel system is integrated with the lights via the room controller, drawing power from man-made and natural light.

FORBES: Solar Powered Energy Management for Hotels