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A 85db-95db.
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A The current in some vehicles cannot make the cigarette lighter work.
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A Check to confirm whether the air nozzle and tire valve are tightened in place.
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A There is an error between meters. An error less than 3PSI is reasonable.
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A Yes, it can be connected externally to 12V normally.
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A The maximum charging pressure of the air pump is about 6bar, namely 0.6mpa after conversion.
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A 3bar
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A The air pump is equipped with a spare fuse. Open the lighter head and replace it with a new one.
