| 摘要 |
PURPOSE: An evaporation gas discharge structure for a car battery is provided to prevent the damage of a car due to the evaporation gas, and to prevent various parts installed in an engine room from being corroded, thus extending the life of use. CONSTITUTION: In the discharge structure of evaporation gas through a hole of a battery cap(20) separably installed to a battery body(10), the hole is coupled with a hose(30) respectively, so the evaporation gas is discharged into an engine room or a car body forming the engine room even when the evaporation gas generated during the charge of discharge of electricity of the battery is discharged though the hole of the battery cap.
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