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NABL accredited testing

IEC 62620 Testing: Industrial Lithium Battery Performance

NABL accredited testing of industrial lithium battery performance to IEC 62620: 13 tests, each against its clause.

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Independent private consultancy. Aaditech is not BIS or any government department and is not affiliated with or endorsed by them. Licences are granted only by the authority, and you can apply directly on its portal. Our consultancy fees are separate from official fees.

StandardIEC 62620
CoversSecondary Cells and Batteries Containing Alkaline or Other Non-Acid Electrolytes Secondary Lithium Cells and Batteries for Use in Industrial Applications
Accredited tests13
AccreditationNABL, ISO/IEC 17025:2017
CategoryBattery & Cell Testing

IEC 62620 tests we offer

#TestClause / method
1Cell and battery internal resistanceIEC 62620 Cl. 6.5
2Charge (capacity) retention and recoveryIEC 62620 Cl. 6.4
3Charging procedure for test purposesIEC 62620 Cl. 6.2
4DimensionsIEC 62620 Cl. 7.3.1
5Discharge performance at +25ºCIEC 62620 Cl. 6.3.1
6Discharge performance at low temperatureIEC 62620 Cl. 6.3.2
7Electrical testsIEC 62620 Cl. 7.3.2
8EnduranceIEC 62620 Cl. 6.6
9GeneralIEC 62620 Cl. 6.1
10High rate permissible currentIEC 62620 Cl. 6.3.3
11Marking and designationIEC 62620 Cl.5
12Parameter measurement and tolerancesIEC 62620 Cl. 4
13Sample sizeIEC 62620 Cl. 7.2

How IEC 62620 testing works

  1. Tell us the purpose. Export, a tender, a customer requirement or a design check. The purpose decides which clauses and which laboratory.
  2. Get the sample list and quote. We confirm the tests, the number of samples and the timeline for your product and its variants.
  3. Send samples. We help with labels, the test request and any technical documents the tests need.
  4. Testing and report. Tests are carried out under NABL accreditation and the report lists each clause, the requirement and the result.
  5. Review and use. We check the report before you submit it to a regulator, a tender authority or your customer, and help if they raise a query.

Frequently asked questions

Which IEC 62620 tests are NABL accredited?

All 13 tests listed on this page are within NABL accreditation (ISO/IEC 17025), each against the clause of IEC 62620 shown next to it. The report carries the NABL accreditation mark for these tests.

Is the IEC 62620 test report accepted outside India?

NABL is a signatory to the ILAC Mutual Recognition Arrangement, so its accredited reports are recognised by accreditation bodies in other member countries. Your buyer or regulator still decides what it accepts, so we confirm their requirement before testing.

How many samples are needed for IEC 62620 testing?

It depends on the product, its variants and the tests you need. Share the product details and the purpose of the test (BIS, tender or customer) and we will send the sample list and a quote.

Can you test only some clauses of IEC 62620?

Yes. For a tender, a customer complaint or a design check, we can test selected clauses. For BIS certification or a type test, every applicable clause has to be covered.

Other battery & cell testing

  • IS 16046 Portable Lithium & Nickel Cells and Batteries
  • IS 16893 EV Lithium-ion Cells
  • IS 14257 High Cranking Automotive Lead-Acid Batteries
  • IS 16270 Solar PV Batteries
  • IS 7372 Automotive Lead-Acid Batteries
  • IS 16805 Industrial Lithium Batteries (Safety)
  • IS 16822 Industrial Lithium Batteries (Performance)
  • IS 1651 Stationary Tubular Lead-Acid Batteries
  • IS 8320 Lead-Acid Storage Batteries
  • IS 16047 Portable Lithium Cells (Performance)
  • IS 1652 Stationary Planté Lead-Acid Batteries
  • IS 13369 Tubular Monobloc Stationary Batteries
  • IS 13514 Lead-Acid Batteries for Electric Road Vehicles
  • IS 15549 Stationary VRLA Batteries
  • IS 5154 Lead-Acid Traction Batteries
  • IEC 60896 Stationary Lead-Acid Batteries
  • IEC 62133 Portable Lithium & Nickel Battery Safety
  • TEC 67030 Lithium-ion Batteries for Telecom
  • UL 1973 Stationary & Motive Batteries
  • IEC 62619 Industrial Lithium Battery Safety
  • IEC 62660 EV Lithium-ion Cells
  • UL 2054 Household & Commercial Batteries
  • AIS 038 EV Power Train Safety
  • IEC 61960 Portable Lithium Cells (Performance)
  • UL 1642 Lithium Cells
  • AIS 156 EV Power Train Safety (L Category)
  • JIS C 8702 Small VRLA Batteries
  • UN 38.3 Lithium Battery Transport
  • IEC 60254 Lead-Acid Traction Batteries
  • IEC 61427 Batteries for Renewable Energy Storage

All NABL testing categories

See the NABL testing service for how we work. Tests listed are within NABL accreditation (ISO/IEC 17025).

Not sure which certification your product needs?

Talk to a team led by former BIS Directors. We'll map every approval your product needs before you spend on testing.

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