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IEC 62133-2:2017

IEC 62133-2:2017  Standard Certification for Lithium Polymer Battery

In February 2017, the International Electrical Commission (IEC) officially published IEC 62133: 2017, which is the international safety standard for lithium-ion battery products. This standard is mainly for the safety requirements of single batteries and battery packs as well as portable sealed batteries and battery packs containing alkaline or non-acidic electrolyte (including lithium-ion polymer batteries, lithium-ion (Li-ion) batteries, nickel hydride batteries, nickel cadmium batteries, etc.)
IEC 62133-2:2017 is the latest and best known standard for the export of lithium-ion batteries, including standards for IT devices, GPS, wearable products, smartwatches, bluetooth devices, wireless sensors, tools, laboratory, home and medical devices.
And IEC 62133-1:2017 is for nickel batteries.

In addition to IEC 62133-2:2017, we can also make other important certifications for lithium ion battery: MSDS | UN38.3
 

Tests Items for IEC 62133-2:2017

The ICE 62133 mainly contains some tests for the following items:
For cell: Continuous low rate charging | Vibration | Temperature cycle | External short circuit | Internal short circuit | Free fall | Impact (Collision) | Thermal misuse (Thermal shock) | Extrusion | Low pressure | Overcharge | Forced discharge | High rate charging protection function (lithium system) | Labeling and Packing | Transportation test |  Improper installation (nickel system)
For battery: Vibration | Shell stress formed at high ambient temperature (lithium ion battery) | Temperature cycle | External short circuit | Internal short circuit | Free fall | Impact (Collision) | Labeling and Packing | Transportation test | Overcharge (nickel system)
 

The Exposition and Object for Test Items:

  • Continuous low-rate charging (The test object: cell)
    Cells are subjected for 28 days to a charge as specified by the manufacturer.
    No fire, no explosion, no leakage.
  • Vibration (The test object: cell &battery)
    A simple harmonic motion is applied to the cells or batteries with an amplitude of 0.76mm, and a total maximum excursion of 1.52mm. The frequency is varied at the rate of 1 Hz/min between the limits of 10Hz and 55Hz. The entire range of frequencies (10Hz to 55Hz) and return (55Hz to 10Hz), is traversed in 90min ± 5min for each mounting position (direction of vibration).
    No fire, no explosion, no leakage.
  • Shell stress formed at high ambient temperature (The test object: battery)
    The battery is placed in an air circulating oven at a temperature of 70℃ ± 2℃. The batteries remain in the oven for 7h, after which they are removed and allowed to return to room temperature.
    No physical distortion of the battery case resulting in exposure of internal components.
  • Temperature cycling (The test object: cell &battery)
    Step 1: place the cells or batteries in an ambient temperature of 75℃ ± 2℃ for 4h.
    Step 2: change the ambient temperature to 20℃ ± 5℃ within 30 min and maintain at this temperature for a minimum of 2h.
    Step 3: change the ambient temperature to -20℃ ± 2℃ within 30 min and maintain at this temperature for 4h.
    Step 4: change the ambient temperature to 20℃ ± 5℃ within 30 min and maintain at this temperature for a minimum of 2h.
    Step 5: repeat steps 1 to 4 for a further four cycles.
    Step 6: after the fifth cycle, store the cells or batteries for seven days prior to examination.
    No fire, no explosion, no leakage.
  • External short circuit (The test object: cell &battery)
    Cells or batteries are stored in an ambient temperature of 20℃ ± 5℃ and 55℃ ± 5℃ respectively. Each cell or battery is then short-circuited by connecting the positive and negative terminals with a tatal external resistance of less than 100 mΩ. The cells or batteries remain on test for 24h or until the case temperature declines by 20% of the maximum temperature rise, whichever is the sooner.
    No fire, no explosion.
  • Free fall (The test object: cell &battery)
    Cell or battery is dropped three times from a height of 10m onto a concrete floor.
    No fire, no explosion.
  • Mechanical shock (crash hazard) (The test object: cell &battery)
    Cell or battery is accelerated in such a manner that during the initial 3 milliseconds the minimum average acceleration is 75gn. The peak acceleration shall be between 125gn and 175gn.
    No fire, no explosion, no leakage.
  • Thermal misuse (The test object: cell)
    Stabilized at room temperature, is placed in a gravity or circulating air-convection oven. The oven temperature is raised at a rate of 5℃/min ± 2℃/min to a temperature of 130℃ ± 2℃. The cell remains at this temperature for 10min before the test is discontinued.
    No fire, no explosion
  • Crushing (The test object: cell)
    Cell is crushed between two flat surfaces. The force for the crushing is applied by a hydraulic ram exerting a force of 13kN ±1kN. The crushing is performed in a manner that will cause the most adverse result. Once the maximun force has been applied, or an abrupt voltage drop of one-third of the original voltage has been obtained, the force is released.
    No fire, no explosion.
  • Low pressure (The test object: cell)
    Cell is placed in a vacuum chamber, in an ambient temperature of 20℃ ± 5℃. Once the chamber has been sealed, its internal pressure is gradually reduced to a pressure equal to or less than 11.6kPa (this simulates an altitude of 15240 m) held at that value for 6h.
    No fire, no explosion, no leakage.
  • Overcharge (The test object: cell)
    The cell is discharged as described in IEC 62960, then charged from a power supply of ≥10v.
    No fire, no explosion.
  • Forced discharge (The test object: cell)
    Cell is subjected to a reverse charge at 1IA for 90min.
    No fire, no explosion.
  • Cell protection against a high charging rate (The test object: cell)
    Cell is discharged as described in IEC61960, then charged at three times the charging current recommended by the manufacturer, until the cell is fully charged or an internal safety device cuts off the charge current before the cell is fully charged.
    No fire, no explosion.

 

The Test Report IEC 62133-2:2017 for Lithium Polymer Battery

Li-ion Polymer Battery
Model No.: LP804367
3.7V, 2750mAh, 10.18Wh
Manufacturer: LiPoly Batteries Co., Ltd.






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