Battery passport

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Battery Pack Aadhaar Number

India’s proposed unique identifier for battery packs, set out in 2026 draft guidelines from the Ministry of Road Transport and Highways: a 21-character code marked on each EV pack, and on industrial batteries above 2 kWh, linked to records of its maker, composition, carbon footprint and service data — a counterpart to the EU battery passport.

Battery carbon footprint

The greenhouse gases emitted to make a battery, typically 50–100 kg CO₂-equivalent per kWh, dominated by cathode materials and the electricity used in cell production. The EU regulation requires it to be declared and will later cap it.

EU Battery Regulation

The European law, in force since 2023, that governs batteries over their whole life: carbon-footprint declarations, recycled-content minimums, due diligence on raw materials, performance and durability requirements, removability, the battery passport and collection and recycling targets.

Recycled content minimum

The EU Battery Regulation’s requirement that industrial and EV batteries declare the share of recycled cobalt, lithium, nickel and lead in their active materials, and from 2031 meet minimums of 16 % cobalt, 6 % lithium, 6 % nickel and 85 % lead, rising again in 2036.

State of health

A summary of how far a cell has aged, often expressed through remaining capacity or increased resistance compared with when it was new. By convention a cell has reached end of life at 80 % of its rated capacity.

Traceability

Recording for each cell which material lots, machines and process conditions produced it, so a field failure can be traced to a batch and a recall limited to it. The EU battery passport extends this record to the cell’s whole life.

References & further reading

Technical references

1. Regulation (EU) 2023/1542 concerning batteries and waste batteries

   European Union / EUR-Lex · 2023

   Technical reference · Battery sustainability, information, waste management and battery passport provisions. Consult the current consolidated text and applicable implementing acts.