电池却与电容相反，据我们所知它储存的是电化学能。
A battery, by contrast, stores what is known as an electrochemical potential.
像电池一样，电容器能够储存能量，但是这也是电容器和电池相似的唯一地方。
Capacitors, like batteries, store energy, but that's where most of the similarities end.
它具有比静电电容器大得多的能量密度，又有比二次电池大得多的功率密度。
They are also called battery capacitors, for their high energy density and high power density.
但是，超级电容器和化学电池并不一定竞争。
But the supercapacitor and chemical battery are not necessarily in competition.
电池出货时充电容量不低于50%。
Capacity of battery pack was charged shipment is more than 50%.
后备电源有两种解决方案：超级电容器和电池。
Backup power has two solutions, supercapacitor and batteries.
后备电源有两种解决方案：超级电容器和电池。
Backup power has two solutions, supercapacitor and batteries.
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