| Commercial identity | Product name, model, variant, brand artwork, ratings, accessories and production revision | UK producer, importer, registration route and market name | All documents identify the same SKU |
| Battery identity | Cell or pack supplier, model, construction, nominal voltage, rated capacity and installation | Portable, industrial or another documented route | Approved sample matches production |
| Chemistry | Available cell or pack specification and supplier declaration | Reportable chemistry category and annual data mapping | No chemistry inferred from appearance |
| Net battery weight | Controlled battery-only weight and weighing basis | Annual portable-battery tonnes and one-tonne threshold calculation | Scale record and revision match the supplied pack |
| EEE separation | Finished appliance weight and battery-only weight | EEE weight without battery for WEEE reporting, where applicable | Battery weight is not counted twice |
| Market quantity | Order quantity, carton quantity, shipment date and revision | Actual UK placed-on-market quantity by reporting period | Imports, stock, UK supply, returns and exports remain distinct |
| Registration handoff | Model list, packing list and commercial document references | NPWD or BCS route, producer registration number and data owner | Correct producer number reaches distributors and business users |
| Change history | Battery supplier, model, chemistry, capacity, weight, connector and firmware-related changes | Need for classification, transport, WEEE or reporting reassessment | No battery substitution without written approval |