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Fogstar 3500 18650 Battery

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Looking to purchase more than 30 of these cells? Our wholesale website can be found here

This cell has changed! We now wrap a Molicel M35A under the wrap of this battery. Why? Because our tests showed that it performed better than our original cell and our customers deserve not only honesty - but the best cells ever! Want the original Molicel M35A? No problem - find it here. You'll still be able to have the Fogstar design if you wish.

  • Manufacturer: Fogstar
  • Model: FS3500
  • Size: 18650
  • Capacity: 3500mAh
  • Maximum Discharge: 10A
  • Nominal Voltage: 3.6V
  • Maximum Voltage: 4.2V
  • Top: Flat-Top
  • Protection: None

Supporting documents are available upon request (UN38.3, Specification Reports & MSDS)

Lithium-Ion batteries should never be kept loose in your pocket or purse. Always use the case provided.

  • Lithium-Ion cells should be charged on a dedicated charger rated specifically for Lithium-Ion cells. Our selection can be found here.
  • Never leave a battery unattended whilst charging. 
  • Keep away from animals and children.
  • 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. Wraps and insulators can be found here
  • 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.
  • Do not crush, incinerate or modify.
  • Only use within manufacturers specification.

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