Reliability is the backbone of the electric vehicle ecosystem. IS 16893 (Part 2) is the critical Indian Standard designed to characterize the behavior of lithium-ion cells under extreme stress and abuse conditions. Unlike basic safety checks, this standard provides deep data on how cells degrade or fail when pushed to their limits, ensuring that the Battery Management System (BMS) is designed with accurate safety margins.
Key Objectives:
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This testing regimen operates under the dual-reference model, ensuring both national and international market acceptance.
This standard is strictly applicable to Secondary Lithium-Ion Cells intended for the propulsion of electric road vehicles. It covers the two primary classes of EV applications:
The testing scope is rigorous, divided into three distinct categories to simulate real-world catastrophic scenarios and operational stress.
To ensure your test reports are accepted by regulatory bodies (such as for PLI schemes or AIS approvals), testing must be conducted at a facility with the following credentials:
Due to the destructive nature of the tests and the duration of thermal cycling, this standard requires a methodical approach.
Since most tests in Part 2 are destructive, a significant number of samples are required to run tests in parallel sequences.
Costs are calculated based on the specific cell chemistry and capacity (Ah), as higher capacity cells require specialized containment chambers for safety during abuse testing.
To initiate the testing process smoothly, the following technical documentation is mandatory:
This standard characterizes the reliability and abuse behavior of lithium-ion cells. It provides essential data on how cells react to mechanical, thermal, and electrical stress for system design.
Part 2 focuses on gathering reliability data and abuse behavior, whereas Part 3 specifies strict safety requirements and pass/fail criteria to ensure the protection of people and property.
Yes, cell-level testing is a critical prerequisite. It validates the foundational quality of the cells before they are integrated into battery packs for final AIS-156 or AIS-038 certification.
The protocol covers three main categories: mechanical abuse (crush, shock, vibration), thermal abuse (high-temperature endurance, cycling), and electrical abuse (short circuit, overcharge, forced discharge) to simulate real-world failures.
While technically identical, Indian regulatory schemes often require testing to be conducted or validated by an NABL-accredited laboratory within India to ensure full compliance with local government mandates.
Due to the destructive nature of thermal and mechanical abuse tests, we typically require a batch of 30 to 40 fresh cells to complete all parallel testing sequences.
The standard timeline is approximately 4 to 6 weeks. This duration accounts for the lengthy thermal cycling processes and the careful setup required for hazardous abuse testing scenarios.
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