Power battery and car that has it

The utility model discloses a power battery and car that has it, power battery includes: the battery box, box and upper cover under the battery box includes, internal the prescribing a limit to of nowel has the chamber of holding, and upper cover movably holds the chamber with the box is continuous down in order to open and to close, and lower box includes a plurality of mounting panels, and a plurality of mounting panels coordinate the limited chamber that goes out to hold, and limited in at least one mounting panel have the cavity, is equipped with the pilot hole that switches on with the cavity on the mounting panel, fixed plate, fixed plate set firmly in the cavity, mounting, mounting are established on the fixed plate, and the mounting is the same with the fixed plate material and the welding is continuous, fastener, fastener pass the upper cover and the pilot hole links to each other with the mounting. According to the utility model discloses a power battery, fixed plate both can avoid the position with