Is it harmful for lithium batteries to get rained on?

[ManuelLee]

Lithium batteries cannot be used after being rained on. Here are the specific details: Hazards of being rained on: If the battery swells after being rained on, do not use it to avoid explosions and spontaneous combustion. Generally, temperature has a significant impact on the lifespan of lithium batteries. Temperatures below freezing can cause lithium batteries to burn out instantly upon activation, while excessively high temperatures can also reduce the battery's capacity. Precautions for storing lithium batteries: If lithium-ion batteries are stored unused for a long time, they should be charged and discharged once every six months. During transportation, precautions should be taken to prevent moisture, dampness, compression, and collisions to avoid battery damage. Do not use or store batteries in high-temperature environments (such as under scorching sunlight or in very hot cars), as this may cause overheating, fire, functional failure, or shortened lifespan. Avoid storing batteries in areas with strong static electricity or magnetic fields, as this can damage the battery's safety protection mechanisms and create potential hazards. If the battery emits an odor, overheats, changes color, deforms, or exhibits any abnormalities during use, storage, or charging, immediately remove the battery from the device or charger and discontinue use. Proper storage of lithium batteries is essential to prevent explosions and potential losses.