18650 Cells: Difference between revisions

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*Best - Samsung 30Q - 3000 mAh - $3 in bulk - [https://www.ebay.com/i/273586773978?chn=ps]
*Best - Samsung 30Q - 3000 mAh - $3 in bulk - [https://www.ebay.com/i/273586773978?chn=ps]
:*These appear to be on spec at 3000 mAh - [https://www.youtube.com/watch?v=usmxQPhUL9s].
:*These appear to be on spec at 3000 mAh - [https://www.youtube.com/watch?v=usmxQPhUL9s].
:*Cycle life and specs - [https://cdn.shopify.com/s/files/1/0674/3651/files/samsung-18650-30Q-spec-sheet.pdf?13304021761413850609]
:*Cycle life and specs - [https://cdn.shopify.com/s/files/1/0674/3651/files/samsung-18650-30Q-spec-sheet.pdf?13304021761413850609] - 250 cycles to 70% of rated
:*1000 cycles at 6A discharge rate bottoming at about 60% capacity for 2000 cycles? - [https://www.fasttech.com/forums/1686801/t/1238167/what-is-their-cycle-life/1]. So these last pretty long.

Revision as of 22:25, 3 January 2019

https://www.google.com/search?q=18650+cells&client=ubuntu&hs=KUs&source=univ&tbm=shop&tbo=u&sa=X&ved=0ahUKEwj8xPLHwdLfAhULtIMKHTQ3ADUQsxgIKw&biw=1438&bih=738

Specs

  • Note actual spec from a buyer on Amazon - [1]

Reviews

Cost

  • From <$1 to $7 each - so choose wisely -
  • Cheapest - [2]
  • Best - Samsung 30Q - 3000 mAh - $3 in bulk - [3]
  • These appear to be on spec at 3000 mAh - [4].
  • Cycle life and specs - [5] - 250 cycles to 70% of rated
  • 1000 cycles at 6A discharge rate bottoming at about 60% capacity for 2000 cycles? - [6]. So these last pretty long.