Batterypack should have sufficient strength and the Li-Fe cell inside should be protected from mechanical shocks.

电池外壳应该有足够的机械强度，使铁锂电池免受机械撞击。

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Batterypack should have sufficient strength and the Li-Fe cell inside should be protected from mechanical shocks.

电池外壳应该有足够的机械强度，使铁锂电池免受机械撞击。

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