https://www.batteriepasswerk.com/en/knowledge New guides on the digital battery passport and the EU Battery Regulation 2023/1542. en Tue, 06 Oct 2026 12:00:00 GMT https://www.batteriepasswerk.com/en/knowledge/battery-passport-standards https://www.batteriepasswerk.com/en/knowledge/battery-passport-standards Standards Tue, 06 Oct 2026 12:00:00 GMT Only ISO/IEC 15459 is named in law: DIN DKE SPEC 99100, the EN 18216 to 18246 standards, GS1 Digital Link and Catena-X sorted by how binding they are and which layer they govern. https://www.batteriepasswerk.com/en/knowledge/economic-operators-battery-regulation https://www.batteriepasswerk.com/en/knowledge/economic-operators-battery-regulation Roles Mon, 14 Sep 2026 12:00:00 GMT Chapter VI has applied since 18 Aug 2024: the seven roles of Articles 38 to 46, the duty matrix, the Article 44 role switch and who owns the battery passport. https://www.batteriepasswerk.com/en/knowledge/battery-supply-chain-due-diligence https://www.batteriepasswerk.com/en/knowledge/battery-supply-chain-due-diligence Supply chain Mon, 14 Sep 2026 12:00:00 GMT The passport from 18 Feb 2027, due diligence from 18 Aug 2027: who it binds, what Articles 47 to 53 and Annex X require, and why the report becomes public passport content. https://www.batteriepasswerk.com/en/knowledge/battery-passport-evidence https://www.batteriepasswerk.com/en/knowledge/battery-passport-evidence Evidence Thu, 10 Sep 2026 12:00:00 GMT Three documents are passport content, everything else is evidence. The seven evidence types, what to request from suppliers and what becomes public. https://www.batteriepasswerk.com/en/knowledge/battery-carbon-footprint https://www.batteriepasswerk.com/en/knowledge/battery-carbon-footprint Climate Fri, 04 Sep 2026 12:00:00 GMT The three stages of Article 7, why 18 February 2025 triggered no duty, the maths in kg CO2e per kWh of energy delivered, and what the passport shows in 2027. https://www.batteriepasswerk.com/en/knowledge/battery-passport-registration https://www.batteriepasswerk.com/en/knowledge/battery-passport-registration Registration Mon, 10 Aug 2026 12:00:00 GMT The central DPP Registry is live - from 18 Feb 2027 every passport must be registered there. QSeal verification, the 50-character UPI, file upload of up to 100 passports and the timeline for API and semantic catalogue. https://www.batteriepasswerk.com/en/knowledge/gtin-serial-number-check-digit https://www.batteriepasswerk.com/en/knowledge/gtin-serial-number-check-digit Identifiers Thu, 30 Jul 2026 12:00:00 GMT Character lengths, character sets and check digits of the GS1 identifiers behind the QR code: GTIN-8/12/13/14, the modulo-10 method and the serial number under AI 21 - with a worked example and a valid vs. invalid comparison. https://www.batteriepasswerk.com/en/knowledge/safe-battery-recycling https://www.batteriepasswerk.com/en/knowledge/safe-battery-recycling Safety Fri, 24 Jul 2026 12:00:00 GMT Thermal runaway, dangerous-goods transport, hydro- vs. pyrometallurgy and the future of urban mining - why safe, efficient recycling doesn't work without battery-passport data. https://www.batteriepasswerk.com/en/knowledge/bms-telemetry-battery-passport https://www.batteriepasswerk.com/en/knowledge/bms-telemetry-battery-passport Live data Mon, 20 Jul 2026 12:00:00 GMT What the battery management system measures, how SoH and SoC differ, what Annex XIII item 4 and Art. 14 require - and how condition data reaches the passport via API. https://www.batteriepasswerk.com/en/knowledge/audit-trail-data-integrity https://www.batteriepasswerk.com/en/knowledge/audit-trail-data-integrity Trust Mon, 20 Jul 2026 12:00:00 GMT Audit-proof, tamper-evident, publicly verifiable: what Art. 78 demands, how a SHA-256 hash chain works and why none of it needs a blockchain. https://www.batteriepasswerk.com/en/knowledge/battery-recycling https://www.batteriepasswerk.com/en/knowledge/battery-recycling Circularity Fri, 17 Jul 2026 12:00:00 GMT Collection targets, recycling efficiency, black mass, mandatory recycled content from 2031 and second-life batteries - how the EU governs the battery loop and the passport's role in it. https://www.batteriepasswerk.com/en/knowledge/battery-passport-software https://www.batteriepasswerk.com/en/knowledge/battery-passport-software Software Fri, 17 Jul 2026 12:00:00 GMT What battery passport software must deliver under EU 2023/1542, how the Digital Product Passport (DPP) fits in and the 8-point checklist for choosing the right solution before 2027. https://www.batteriepasswerk.com/en/knowledge/battery-passport-example https://www.batteriepasswerk.com/en/knowledge/battery-passport-example Example Wed, 15 Jul 2026 12:00:00 GMT A fully completed sample passport for a 10 kWh home-storage battery: all contents, the three access levels and the QR code, shown concretely. https://www.batteriepasswerk.com/en/knowledge/battery-passport-2027 https://www.batteriepasswerk.com/en/knowledge/battery-passport-2027 Deadlines Wed, 15 Jul 2026 12:00:00 GMT When the obligation applies, to which batteries and which EU Battery Regulation deadlines already matter beforehand - plus the realistic roadmap to be ready in time. https://www.batteriepasswerk.com/en/knowledge/create-battery-passport https://www.batteriepasswerk.com/en/knowledge/create-battery-passport Implementation Wed, 15 Jul 2026 12:00:00 GMT Three steps to an EU-compliant battery passport: create the model, serialise, ship the QR code. Plus what matters when choosing battery passport software. https://www.batteriepasswerk.com/en/knowledge/digital-product-passport https://www.batteriepasswerk.com/en/knowledge/digital-product-passport Context Wed, 15 Jul 2026 12:00:00 GMT The battery passport is the EU's first legally mandatory DPP. What the Ecodesign Regulation (ESPR) requires, how the DPP architecture is built and which product groups come next. https://www.batteriepasswerk.com/en/knowledge/battery-passport-qr-code https://www.batteriepasswerk.com/en/knowledge/battery-passport-qr-code Labelling Tue, 14 Jul 2026 12:00:00 GMT From 18 Feb 2027 every battery needs a QR code. What it must link to, the design rules from Annex VI Part C, ISO/IEC 18004 and the GS1 Digital Link. https://www.batteriepasswerk.com/en/knowledge/battery-passport-data https://www.batteriepasswerk.com/en/knowledge/battery-passport-data Data Sun, 01 Mar 2026 12:00:00 GMT The 71 official EU data points, the three access levels, why carbon footprint and recycled content do not have to be filled in yet as of February 2027, and the QR code. https://www.batteriepasswerk.com/en/knowledge/early-adoption-benefits https://www.batteriepasswerk.com/en/knowledge/early-adoption-benefits Strategy Sun, 01 Mar 2026 12:00:00 GMT Data quality, supplier lock-in, lower costs and a demonstrable competitive edge before 2027. https://www.batteriepasswerk.com/en/knowledge/non-compliance-risks https://www.batteriepasswerk.com/en/knowledge/non-compliance-risks Risk Sun, 01 Mar 2026 12:00:00 GMT Fines, market exclusion from 18 Feb 2027, supply-chain stops and reputational damage - calculated in concrete terms. https://www.batteriepasswerk.com/en/knowledge/battery-models https://www.batteriepasswerk.com/en/knowledge/battery-models Categories Sun, 01 Mar 2026 12:00:00 GMT From the e-scooter pack to the 3 MWh industrial storage unit: who needs which passport - and why. https://www.batteriepasswerk.com/en/knowledge/battery-chemistries https://www.batteriepasswerk.com/en/knowledge/battery-chemistries Technology Sun, 01 Mar 2026 12:00:00 GMT LFP, NMC, NCA, LTO, sodium-ion, solid-state - properties, lifespan and what ends up in the passport. https://www.batteriepasswerk.com/en/knowledge/eu-battery-regulation https://www.batteriepasswerk.com/en/knowledge/eu-battery-regulation Foundation Sun, 01 Mar 2026 12:00:00 GMT Deadlines, obligations, the digital battery passport, carbon footprint, recycled content and CE conformity - visually explained.