However, recharging NiCad batteries is a black art.
然而，给镍镉电池充电却是一个黑色艺术。
NiCad batteries have powered everything from cordless screwdrivers to emergency lights.
镍镉电池的适用对象无所不包，从无线起子机到紧急照明灯皆有。
NiCad batteries are also a valid option, but they are not as prevalent as they once were.
镍镉电池也是一个有效的选择，但他们并不像流行，因为他们曾经是。
To prevent memory effect, whenever you wish to recharge your NiCad, you must first fully discharge it.
为了防止记忆效应，在每次充电前都要将电池充分放电。
As in a NiCad battery, the NiMH's anode is made of nickel oxyhydroxide immersed in an electrolyte of potassium hydroxide.
就像镍镉充电电池一样，金属氢化镍电池的阳极是由浸泡在氢氧化钾电解质中的羟基氧化镍制作而成。
NiCad (Nickel Cadmium) batteries are good for small to medium size range robots. They have the highest current output, are more affordable than NiMH's, and can be recharged within one or two hours.
镍镉电池适合中小型的机器人，跟镍氢电池相比能输出更大的电流，而且在一两小时内即可完成充电。
NiCad (Nickel Cadmium) batteries are good for small to medium size range robots. They have the highest current output, are more affordable than NiMH's, and can be recharged within one or two hours.
镍镉电池适合中小型的机器人，跟镍氢电池相比能输出更大的电流，而且在一两小时内即可完成充电。
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