Saltwater flooding is a serious fire threat for EVs and other devices with lithium-ion batteries
Briefly

Hurricanes Helene and Milton caused significant flooding and destruction, leading to billions in damages and a series of lithium-ion battery fires due to saltwater exposure.
The danger of flooding is exacerbated by lithium-ion batteries, which can become 'ticking time bombs' when exposed to saltwater, causing delayed fires.
After Hurricane Ian, 36 flooded electric vehicles caught fire, highlighting the underacknowledged risks EVs pose during severe weather disasters.
Firefighters often can only allow flooding-damaged lithium-ion batteries to burn out since they are extremely challenging to extinguish due to thermal runaway.
Read at Inverse
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