IEC 62133 2 Rechargeable Lithium Battery Safety Standard Overview
IEC 62133-2:2017+A1:2021 addresses portable sealed rechargeable lithium cells and batteries; check the exact model, CB evidence, national adoption and terminal-product requirements.
By Batteries To Spec Technical Editorial Team · Updated September 3, 2026
Resolve the decision before selecting a model.
IEC 62133-2:2017+A1:2021 addresses portable sealed rechargeable lithium cells and batteries; check the exact model, CB evidence, national adoption and terminal-product requirements.
| Do not generalize | Cell, pack and end-product evidence are separate |
|---|---|
| Model control | Name, revision, manufacturer and production scope |
| Adjacent requirements | Transport and terminal-product rules may still apply |
| Buyer output | A dated evidence matrix, not a logo |
Practical review checklist
Identify product layer, application and target market.
Record the standard edition, amendment and national adoption.
Match certificate, report and directory record to model and manufacturing scope.
Assess cell, BMS, firmware, structure and production changes before reuse.
What to request from a supplier
Ask for a model-specific specification, electrical and mechanical limits, BMS or interface definition, current test evidence, document list, sample plan and change-control route. Keep open items visible rather than replacing them with a generic promise.
What this page does not prove
It does not certify an unnamed battery, approve a host system, guarantee a carrier route or establish a quotation without the exact model, destination and date.
Sources and scope
- IEC 62133-2 official scope — accessed September 3, 2026.
- IEC 62619 official scope — accessed September 3, 2026.
Standards, carrier rules, prices and import requirements change. Confirm the current edition and the exact product, route and market before acting.
Turn the decision into a reviewable battery specification.
Send the application, voltage window, load, runtime, space, interfaces, environment, quantity, destination and required documents.