Hard-shell battery welding positioning device and battery

The utility model provides a hard-shell battery welding positioning device and a battery, the hard-shell battery welding positioning device comprises a positioning pressure plate and a push block arranged around the periphery of the positioning pressure plate, the top of the positioning pressure plate is provided with a first magnetic part and a first vacuum adsorption part; the first magnetic attraction part and the first vacuum attraction part can be fixedly connected with the bottom of the battery shell, and the push block comprises a first limiting part, a deviation rectifying part and a second limiting part which are sequentially arranged from top to bottom. According to the hard-shell battery welding positioning device, the problems that a shell is slightly deformed easily due to the positioning pressing plate, so that a gap is formed between the pressing plate and the shell, inaccurate positioning is easily caused, and pseudo soldering is easily formed are solved, and the pseudo soldering caused by the