LEAKAGE DETECTION DEVICE AND BATTERY PACK COMPRISING SAME

Disclosed are a leakage detection device including a moisture detection unit to which an absorption member is coupled, a fixing support portion configured to fix the moisture detection unit to a battery pack, and an extension portion configured to fix the moisture detection unit to the fixing support portion, wherein a lower end of the absorption member extends at least to a lower end of the fixing support portion, and a battery pack including the same. It is possible to rapidly detect even a small amount of coolant leakage.