On 11 August 2025, the Bureau of Indian Standards (BIS) released guidelines for the implementation of Amendment No. 1 to IS 16270:2023 – the standard covering secondary cells and batteries for solar photovoltaic applications, including general requirements and methods of test.
The amendment must be fully implemented by 8 December 2025.
Key Changes in Amendment No. 1:
The amendment must be fully implemented by 8 December 2025.
Key Changes in Amendment No. 1:
- - Scope expanded to cover all types of secondary cells and batteries used in solar photovoltaic off-grid applications.
- - Discharge current for lithium batteries specified as 0.2 It current (action required for licensees with lithium batteries in scope).
- - Tests listed in Table 6 are confirmed as applicable for cells (action required for licensees with secondary cells in scope).
- - Minor typographical corrections and clause renumbering.
Implementation Guidelines For Existing Licensees:
- - Compliance with the amendment is mandatory by 8 December 2025.
- - Submit complete third-party test reports for all lead models in scope, tested as per IS 16270:2023.
- - Provide an undertaking confirming implementation for all existing series models in scope.
- - Non-compliance after the deadline will be handled as per prevailing BIS guidelines.
For New Applicants:
- - Applications with samples already submitted or test reports issued may be processed without the amendment until the deadline.
- - Applications filed before 8 December 2025 may be processed with or without the amendment, but applicants must commit to implementing it by the deadline.
- - From 9 December 2025 onward, no licence will be granted without amendment compliance.
For Change in Scope of Licence:
- - The same rules as for applicants apply.
- - Processing without the amendment is allowed only until the earlier of the licensee’s amendment implementation date or 8 December 2025.
Effective Date: These guidelines take immediate effect.
Click here for more information: https://www.crsbis.in/BIS/app_srv/tdc/gl/docs/Amendment_no_1_Guidelines_Upload.pdf
Click here for more information: https://www.crsbis.in/BIS/app_srv/tdc/gl/docs/Amendment_no_1_Guidelines_Upload.pdf
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