BATTERY TRAY AND POWER BATTERY PACK

Provided are a battery tray and a power battery pack. The battery tray includes a tray body. The tray body includes a base plate (10), a side beam (20), and several partition plates (30), the side beam (20) is disposed around the base plate (10) and defines, together with the base plate (10), an accommodating space for battery cells (200). The partition plates (30) are disposed on the base plate (10) and divide the base plate (10) into several regions for placing the battery cells (200). The partition plates (30) and the side beam (20) are each formed therein with an air passage and are in communication with each other. The partition plates (30) are provided with several inlet vents (31), and the side beam (20) is provided with at least one exhaust vent. The inlet vent (31) is configured to introduce a flame, smoke or gas discharged from the battery cell (200) into the air passage.