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Insights & Practical Guidance
Practical guides on Digital Product Passports, starting with the first to apply: the EU Battery Passport.
Insights & practical guidance
Start with the rules that shape market access.
Each guide sets out what the regulation asks, where the official guidance stands and what manufacturers can do now, with links to the sources we drew on.

What a battery passport is, and what it isn't
The battery passport is the first Digital Product Passport the EU has made mandatory. Here is what it holds, where it lives and how it differs from the wider DPP regime.
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Which batteries need a passport in 2027
Three battery categories need a passport from 18 February 2027. A short test for whether yours is one of them, including the e-bike and e-scooter batteries that catch people out.
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The EU Battery Regulation timeline, date by date
The regulation phases in over more than a decade, and several dates depend on acts the Commission hasn't adopted yet. Here is what applies when, and which dates are firm.
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Who is responsible for the passport
Manufacturers, importers, authorised representatives and software providers all touch the battery passport, but only one party answers for it. Here is where the lines fall.
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The EU passport registry, and getting ready to use it
The EU's central registry went live in July 2026, but battery passports can't be registered in it yet. What it holds, what you need before you connect, and what to do while you wait.
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QR codes, labels and identifiers
From February 2027 every battery carries a QR code, and the passport batteries' codes must reach one record per unit. How to design the marking, the identifier and the link behind it.
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Who sees what: public, restricted and authority data
A battery passport has three audiences, and each sees a different part of it. How the access levels work, what sits in each, and what never goes in the passport at all.
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Keeping condition data current after sale
Part of a battery passport keeps changing after the battery is sold. Which data that is, which batteries it applies to, what triggers an update, and why to start with the static data.
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From seven data categories to one published record
DIN DKE SPEC 99100 gives the battery passport a structure. How to turn it into a working plan, step by step, and why the software is the easy part.
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