When UL94V-0 appears in a battery pack connector description, treat it as a housing material property. It is most useful when you are comparing plastic options for the connector body. It tells you that the material has a certain flame behavior under a small-scale test. It leaves the full connector performance review to current rating, voltage rating, contact resistance, sealing, mating force, and thermal derating. Those parameters belong to the complete connector specification. This is also where a battery connector supplier's documentation quality matters. A clear supplier will separate material ratings from product certifications and will provide the housing material data, drawing, and test scope when asked. A vague description that mixes UL94V-0 with phrases like "explosion-proof" or "whole-product certified" is harder to compare. For battery pack designers, the best approach is to list the housing material rating as one line item, then evaluate the connector against the actual electrical and environmental requirements of the project. The DM80 connector is an example of published material information: it lists a thermoplastic housing with UL94V-0, along with the connector's pin layout and nominal current options. Readers who need to compare materials can use that as a starting fact and then check the full specification for the parameters that matter to their design.