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Samsung SDI does not manufacture, authorise or intend cells for use in e-cigarette devices. Use of batteries should be with a battery management system. Risk of personal injury could occur from improper use.
Before using and handling Samsung SDI cells, please read this.
Wraps and insulators should be periodically inspected for tears or damage. If a battery has a damaged wrap, it should be repaired or disposed of immediately.
If you are re-selling these cells, it is your duty to pass these warnings onto your customers.
Batteries usually have a cycle life of between 200-500 cycles (varies with manufacturer) before noticeable capacity drop off. Batteries should be recycled at this time.