You should use the test button each month to see if the alarm and batteries are still working.

你应该每月使用测试按钮，看看闹钟和电池是否还在运转。

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If you own a detector working from this system, you should try to use only batteries with proper crimped terminals.

如果你有在此系统上工作的检测器，则应尝试仅使用具有适当卷曲端子的电池。

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And compared with most rechargeable batteries, supercapacitors tend to have a longer working life.

和最耐反复充电的电池相比，超级电容器仍容易工作寿命更加长久。

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It also likes companies that are working on making smaller batteries, like Qynergy, a New Mexico-based company working on radioisotope batteries, and Infinite Power Solutions, a Colorado developer of thin-film batteries that can power RFID (Radio Frequency Identification) tracking chips.

FORBES: Business In The Beltway

Meanwhile engineers at BYD's research and development center in Shanghai are working on rechargeable batteries that can be used in future generations of electric vehicles and electric hybrids.

FORBES: Thanks, Now Move Over

The failures are blamed on problems with power supplies, either with batteries not working or with cables snapping in the cold.

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