Hyundai IONIQ 5 Emergency Response Manual page 24

8. Towing / Transportation / storage
8.3 Battery Storage
• To store the damaged battery safely, the battery must be discharged.
• If the battery can be removed from the vehicle, using 1% salt water, discharge the battery.
• Extinguish all smoke, spark, flame around the vehicle.
• Electrolyte solution is a skin irritant.
• Do not touch or step on the spilled electrolyte.
• If electrolyte leak occurs, wear appropriate solvent resistant PPE and use soil, sand, or
a dry cloth to clean up the spilled electrolyte. Be sure to adequately ventilate the area.
• Prepare water that does not contain salt such as tap or pond water.
• Leave the battery in water for at least 90 hours.
• Then put salt into the water pool to make 3.5% salt water.
• Wait for additional 48 hours in salt water.
• Then take out the battery from the water pool and drain and dry it.
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