Most auto makers are aiming to build powerful lithium-ion batteries to power their planned electric vehicles, but safety and durability issues remain.

大多数制造商都计划研制强力锂电池来为他们设计中的电动汽车提供动力，但是电池寿命与安全问题一直存在。

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Durability issues have been a problem with fuel cells in the past.

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We believe the new Toughbook C1 addresses all these issues, while offering the additional benefits of excellent performance and durability.

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