Unfortunately, because these materials are not good conductors of electric charge, it takes a long time to get the charge in or out of a battery.

不幸的是，因为这些阴极材料都不是良导体，所以充放电需要很长时间。

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Actually in the customer when the choose and buy, like to ask a question is Germany sun battery can use long time, that is life.

其实在顾客选购时，喜欢问一个问题就是德国阳光蓄电池能够使用多长时间，也就是使用寿命。

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New German battery sunshine after installed, typically for a long time of charging, charging needs to be done, as stated in the prospectus, battery charging is completed.

新的德国阳光蓄电池在安装完毕后，一般要进行一次较长时间的充电，充电要按说明书中的规定进行，待电池组充电完毕后后。

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