Mitsubishi i-MiEV Emergency Response Manual page 24

2) Main drive lithium-ion battery discharging procedures
WARNING:
Never pour seawater or any water containing salt. This can result in sudden electrolyzing, which
generates a large volume of flammable hydrogen gas.
CAUTION:
Electrolysis of water produces hydrogen inside the Main drive lithium-ion battery for approximately
14 days after the Main drive lithium-ion battery is submerged in water.
To reduce the risk of fire, follow these instructions:
 Keep the vehicle in a well-ventilated area located outside.
 Keep all windows, doors and liftgate open to prevent hydrogen from accumulating in the
passenger compartment.
Marked ★ items are required. The other items should be available and used as necessary.
Step 1. Set up a easy set pool in the size of approximately 450cm X 200cm X 70cm
[approximately 180 inch X 80 inch X 30 inch] (length X width X height).
Step 2. If there is a risk of water leakage from the easy set pool, place a thick plastic sheet under
the pool.
Step 3. Use a forklift or similar equipment to place the vehicle in the center of the pool.
Step 4. ★ Open all windows, doors and liftgate.
Step 5. ★ Make sure to use water not containing salt, such as tap water, well water or pond
water, to prevent harmful reactions.
★ Required water level:
Keep pouring water until a minimum required depth of 50cm [20 inch] is achieved. Front
and Rear tire height is about 50cm [20 inch]. (See illustration below.)
This water level is considered deep enough for the Main drive lithium-ion battery to be
completely submerged in water.
If the vehicle body is significantly deformed due to impact from crash, make sure that the
Main drive lithium-ion battery installed under the floor is completely submerged in water.
★ Maintain this water level for at least 14 days with the Main drive lithium-ion battery soaking in water.
Check the water level periodically, when the water level was decreased and lower than
specified level add fresh water.
Illustration: Required Water Level
Front and rear tire should be
located under water.
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