Molicel P42A 21700


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The Molicel P42A 21700 battery has a 4200mAh capacity.

Lithium-ion (Li-Ion) cells may be dangerous if used and treated incorrectly. Please use with caution as misuse may cause a fire or explosion which can result in personal injury or damage to property. The user must have the appropriate level of understanding of the potential dangers and accepts all associated risks.

  • Always store and transport 21700’s in a protective case
    • DO NOT leave 21700’s loose, including in your pockets or bags especially with your coins, keys, or other conductive materials
  • Use the correct charger
  • DO NOT leave 21700’s unattended while charging
  • DO NOT use 21700’s if the PVC wrap is broken
  • DO NOT use an 21700 that is damaged in any way
  • DO NOT expose 21700’s to extreme heat
  • DO NOT over-charge or charge above the maximum voltage rating
  • DO NOT immerse in water
  • If using a device which requires 2 or more 21700 cells, DO NOT mix and match brands or mix and match old and new batteries. Marry your 21700’s so that they charge and discharge at the same rate
  • Keep out of reach from children

If you are unsure on anything, please seek advice.


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