A fixing apparatus is configured to fix a battery cell preform and includes a first support base, a carrier, a clamping assembly, and a drive assembly. The carrier is disposed on top of the first support base. The clamping assembly is disposed on the first support base; and the clamping assembly…

Disclosed herein is a battery pack comprising a battery module comprising a plurality of battery cells or a unit module comprising the plurality of battery cells; a battery pack frame body comprising a base plate on which the battery module is mounted, and a first side plate and a second side plate…

A welding positioning apparatus includes a carrier and a pressing module. The carrier includes a pressing region and placement regions, where the pressing region is formed between two placement regions spaced apart along a first direction. The pressing module includes a pressing block and a driving…