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  • Overall Rating: 5
  • Price: 5
  • Quality: 5
  • Ease Of Use: 5
  • Usefulness: 5
Great cells. Will buy more – Ultrafire 3.7V 18650 2400Mah Battery Reviews

posted by awptickes on 04/08/2008 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

Pros:
Low-cost. They're 18650 cells. Other places sell these for over $10 each. Can also be used to re-cell laptop batteries. They last just as long as my name-brand cells. I use them in my Spyder II 300mW Green laser.
Cons:
After fully charged, some read at 4.2V, which is still within tolerance. The DX stock number sticker can be hard to peel off.
Other:
I'll still buy more, even if the price goes up to $5.
Bottomline:
If you need some 18650 cells, buy these. Don't bother spending more money on them, as all cells decay over time. I'll buy more whenever I need them.

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