If a lithium-ion battery is too hot to touch, melting, smoking, or on fire, it may be in thermal runaway. This could happen due to misuse like dropping, puncturing, or exposing it to liquids. Check out this video for the proper action to take if this occurs. ow.ly/OJZp50RC0Ci #ThermalRunaway #LithiumIonBattery #BatterySafety