Ministry of Electronics and Information Technology (MEITY) Introduces Mandatory Rated Capacity Testing for Portable Lithium-Ion Batteries
26. February 2026The Ministry of Electronics and Information Technology (MeitY) has issued a new directive concerning portable lithium-ion cells and batteries covered under IS 16046-2. Manufacturers have been required to declare the rated capacity of these products; however, authorities have identified multiple cases of incorrect capacity declarations. In response, MeitY has mandated compulsory testing to verify the rated capacity of sealed secondary lithium cells and batteries in accordance with IS 16046 (Part 2). Under the new requirement, measurement of rated capacity must be conducted in line with Clause 7.3.1 of IS 16047 (Part 3). The order will take effect on 1 May 2027 and will apply to new registrations, inclusion of models, and renewal applications. Existing approvals will remain valid until their expiration, although products selected during surveillance activities must undergo verification of their declared rated capacity. Portable lithium-ion cells and batteries and related equipment and components require BIS certification or battery registration in order to be approved for import and sale in India.
The updated framework will also introduce procedural adjustments to testing. Laboratories will be required to evaluate a larger number of samples, and overall testing durations are expected to increase. Further clarification is anticipated, as the Bureau of Indian Standards (BIS) is expected to release detailed implementation guidelines along with a revised Test Report Format. Manufacturers of portable lithium-ion cells and batteries should prepare to align their compliance processes with these forthcoming requirements to ensure continued market access.
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