Lithium Battery Test Summaries (TS) | PHMSA
For safety reasons, lithium batteries must be subjected to a series of design tests per sub-section 38.3 of the UN Manual of Tests and Criteria.
This is where UN 38.3 testing for lithium batteries plays a crucial role, ensuring these energy-dense power sources are shipped securely. Given the high energy density of lithium batteries, improper handling can lead to severe consequences, including explosions.
UN 38.3 applies to batteries transported either on their own or installed in a device. UN 38.3 Tests include altitude simulation, thermal cycling, vibration, mechanical shock, external short-circuit, impact, overcharge and forced discharge. MPS has the staff, test facilities, and the accreditation to perform UN 38.3 approvals in-house.
Misunderstanding: Small batteries like coin cells or power banks are exempt from UN 38.3. Reality: Exemptions may reduce labeling or paperwork requirements, but all batteries, regardless of size, must still pass the full set of UN 38.3 safety tests. A valid Test Summary must be available upon request.
Reality: Exemptions may reduce labeling or paperwork requirements, but all batteries, regardless of size, must still pass the full set of UN 38.3 safety tests. A valid Test Summary must be available upon request. Misunderstanding: Once a battery design passes UN 38.3, it never needs to be tested again.
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