Learn to read the identity, performance and sustainability information behind a battery passport.
Understand the difference between a digital record, a specification and a diagnostic report.
Explore the guide →Questions to ask when reading battery identity, performance, durability and sustainability data.
Explore the guide →A QR code is a route to a record. Check the destination, battery identity and evidence behind it.
Explore the guide →Make a digital record part of a wider evidence check when considering a used EV.
Explore the guide →Read our overview of the EU framework, its scope and timing. Do not assume that a digital record exists for every used EV, or that all fields are open to every reader.
A passport record, an original vehicle specification and a battery diagnostic answer different questions. Check the source, date, definition and applicable battery before using a value in a calculation.
Our evidence standards →