Battery tray and battery pack

The utility model relates to a battery tray and a battery pack, and the battery tray comprises a tray body which is used for bearing a plurality of battery cells; the edge beams are arranged on the tray body in a surrounding manner and are used for being matched with the tray body to accommodate the battery cells; the safety device is arranged on the edge beam, the safety device comprises fuses and relays, the fuses and the relays are used for being connected between the battery cells in series, and the relays are connected with a controller of the battery pack so as to control the relays to be connected or disconnected through the controller. The relay can carry out active disconnection protection through information collected by the controller and can be repeatedly used after a fault is eliminated, and the fuse can carry out passive disconnection protection when the relay does not work or can further carry out passive protection on the basis that the relay is disconnected. And the safety device adopts a mod