ELECTRIFIED VEHICLE BATTERY PACKS WITH POLYMER-BASED ENCLOSURES

Battery pack designs for use in electrified vehicles may include a polymer-based enclosure having features for sealing external joints, retaining components inside the battery pack, securing electrical and coolant lines to the polymer-based enclosure, etc. The proposed designs reduce the number of overall parts in assembly, such as fasteners and brackets, and simplify the overall battery pack manufacturing and assembly processes.