What should you pay attention to when buying a lithium battery pack

Lithium battery pack mainly refers to the processing and assembly of lithium batteries, mainly through the battery pack process to process cells, protection boards, BMS, connecting sheets, label paper, etc. into products required by customers. So what should be paid attention to when purchasing a lithium-ion battery pack, this article will list them one by one.

1. Lithium battery safety test

The best lithium batteries meet the UL2054 safety standard (lithium batteries) and complete the following tests:
Electrical performance test:

  • Short circuit test.
  • Abnormal charging test.
  • Forced overcharge test.
  • Forced discharge test.
  • Limited voltage test.

Mechanical test:

  • Crush Test.
  • Vibration Test.

Environmental testing:

  • Heating test.
  • Thermal cycle test.

2. Transportation of lithium batteries

Lithium battery transportation methods include air, water, and land transportation. The most commonly used are air transportation and ocean transportation.

Because lithium is a metal that is particularly prone to chemical reactions, it is easy to extend and burn, so lithium batteries are prone to combustion and explosion due to improper packaging and transportation.

Packaging requirements for lithium batteries:

  • It must be packaged in the UN specification package specified in the DGR Dangerous Goods Code in accordance with the applicable packaging instructions, and the corresponding number must be fully displayed on the package.
  • Class 9 hazard labels must be affixed.
  • The dangerous goods declaration form must be filled out and the corresponding dangerous package certificate must be provided.

Shipping requirements for lithium batteries:

  • The battery must pass the UN 38.3 test requirements and the 1.2m drop package test.
  • The provided dangerous goods declaration document shall be marked with the UN number.
  • Batteries should be protected against short circuits and in the same package to prevent contact with conductive substances that can cause short circuits.
  • To avoid strong vibration during handling, use corner protectors to protect the vertical and horizontal sides of the pallet.

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3. How to use lithium battery correctly

Lithium battery storage – The most critical storage conditions for lithium batteries are temperature and humidity. It is recommended to store them in an environment with a temperature of 20 °C. Pay attention to moisture and humidity, and do not leave the lithium battery in a power-depleted state. Do not squeeze, collide, and do not store in places with strong static electricity and strong magnetic fields.

Lithium battery charging and discharging – do not overcharge, do not use inferior chargers, and do not blindly use high rate chargers. Do not discharge more than 80% of the battery capacity.

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