nicad

1. 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。
2. 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。
3. 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。
4. If NiCad batteries aren't consistently drained to total emptiness before they're recharged, they gradually develop a memory, taking less and less of a charge each time.
   如果镍镉电池未能在充电前完全耗尽电力，就会逐渐产生记忆，以致每次充入电量愈来愈少。
5. Older cell phone batteries were often NiCad.
   老式手机一般都采用镍镉电池。
6. And remember, NiCad batteries contain toxic cadmium stuff, so save a squirrel and recycle/ dispose of it properly.
   记住，镍镉电池里面含有有毒的镍材料，所以要把他们保存起来然后循环利用/妥当处置。
7. A NiMH will be fine for circuits, and either NiCad or NiMH for motors, depending on expected power requirements from your motors.
   电路最好使用镍氢电池，电动机使用镍镉电池还是镍氢电池取决于你的电动机功率的期望值。

noun

1. a rechargeable battery with a nickel cathode and a cadmium anode

   Synonym:    nickel-cadmium accumulator