Laptop computers, cellular phones, video recorders, and hearing AIDS could be powered by portable fuel cells.
2
在笔记本电脑和移动电话中的电池被设计成可在数小时或数天过程中连续使用，且它们只需有数年寿命。
Batteries in laptops and mobile phones are engineered to be discharged over the course of several hours or days, and they only need to last a couple of years.
3
你的笔记本电脑、iPOD和手机都使用可充电的锂离子电池。
Your laptop, iPod and cell phone all use rechargeable lithium-ion batteries.
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