Ultrafire 3.7V 18650 2400mAh Battery

SKU: 1213 (Added on -)
Price:
US$
5.45
Shipping: Free Shipping To UNITED STATES
Dispatch:
Ships within 7-10 business days
Ultrafire 3.7V 18650 2400mAh Battery


** Note on capacity: Ultrafire is known for overrating on numbers such as battery capacity and light outputs. Although this battery is printed 2400mAh it may not have this capacity when fully charged.
We do not have the correct equipments to test for actual capacity at thi stage. If you know the actual numbers of this battery please let us know and we will post information here.
Note: pictures on the left show other related batteries as well. They can be found in the related parts section above.

All packages from DX.com are sent without DX logo or any information indicating DX.com. Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.

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Quantity 3+ units 5+ units 10+ units
Rate USD$ 4.83 shipped USD$ 4.82 shipped USD$ 4.8 shipped

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Customer Reviews

Average Customer Review (12 customer reviews) 5

100% of customers would recommend this product to a friend (12 out of 12)

  • 5 star: 8 (0%)
  • 4 star: 4 (0%)
  • 3 star: 0 (0%)
  • 2 star: 0 (0%)
  • 1 star: 0 (0%)

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  • Battery that I bought for my flashlight

    posted by brasse40 on 01:40:48 G3T 26/03/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: I've used it/them now for over a year. I use the flashligt at work occasionally. Others have flashlights with ordinary not rechargable batterys and end up changing them 3 in time for when mine comes to the point that it needs a recharge. Bought 3 batterys, one recharger and two flashlights and never had to feel like I've been blown on buying them. When you have charged them twice you've earned the money when comparing to not rechargable batterys.

    Cons: None really that I can think of? Colour on the plastic??

    Other: It's a bargain if you're in need of something like theese.

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    • Overall
      5
    • Price:
      5
    • Quality:
      4
    • Ease of use:
      4
    • Usefulness:
      5
  • Looks good

    posted by yutakajr on 12:29:21 G12T 11/12/2012 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: The product is working

    Cons: The batteries don't look to be made with high quality material The quality of material is ok, but could be better to be more confident, it looks that will get bad if stay in a humid place or do not take to much care of it.

    Other: The product could be made with a better material and protection to keep a long life

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    • Overall
      4
    • Price:
      4
    • Quality:
      3
    • Ease of use:
      5
    • Usefulness:
      4
  • Great Item for Flashlight Conversion

    posted by ciphoenix on 14:00:59 G12T 06/12/2010 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: These batteries are cheap enough that you can keep a few around in the charger waiting for use. This battery charges quickly.

    Cons: 2400mAh is NOT the highest capacity for this type of battery, but the price is right.

    Other: Good battery for general use. Charges fast & maintains charge a long time if stored in a cool place (do not refrigerate - it will leak if frozen).

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    • Overall
      5
    • Price:
      5
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
  • GREAT BATTERY

    posted by 2DOGSSOULY on 03:06:06 G12T 04/12/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: They are cheap. Also the effective time of working is good. I'm satisfied and I'll buy them again :). Also They come fully charged

    Cons: Cons: Those are NOT Batteries but Rechargeable Cells (). Inscriptions on the Cell are: "TR18650 2400mAh 3.7V" and "WARNING.The voltage of full charge and cut-off discharge is 4.2V and 2.75V. Don't heat, indicate or reverse polarity.".

    Other: Buy you wont find better at this price

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    • Overall
      5
    • Price:
      4
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
  • Great cells. Will buy more

    posted by awptickes on 04:11:52 G4T 08/04/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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: 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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    • Overall
      5
    • Price:
      5
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
  • Great for the price!

    posted by bernardo on 07:24:56 G1T 05/01/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Great batteries. Use them all the time on my flashlights that I bought here!

    Cons: They're not protected.

    Other: Another great bargain from DX!

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    • Overall
      5
    • Price:
      5
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
  • Good batteries

    posted by Origo on 15:58:43 G1T 02/01/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Cheap. Ok quality

    Cons: The mah rating is probably a little overrated.

    Other: Worked fine in mine ultrafire c2.

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    • Overall
      4
    • Price:
      4
    • Quality:
      4
    • Ease of use:
      3
    • Usefulness:
      4
  • Great battery!

    posted by Carnath on 08:58:39 G9T 09/09/2007 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: - cheap - Good capacity

    Cons: - Not protected

    Other: Will get more of theese!

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    • Overall
      4
    • Price:
      5
    • Quality:
      4
    • Ease of use:
      5
    • Usefulness:
      4
  • Good capacity

    posted by rizki_p on 11:44:48 G7T 28/07/2007 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Fits all my flashlight Cheap.

    Cons: Unprotected Capacity is less than 2400mah.

    Other: Again a good bargain here at DX. Will buy several more to power my flashlight

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    • Overall
      5
    • Price:
      4
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
  • Excellent!

    posted by fastenuf on 21:47:38 G7T 26/07/2007

    Involvement Level: Expert (understands the inner workings)

    Pros: These batteries last forever in my flashlight. I bought four but probably only needed two. I guess I better buy another flashlight!

    Cons: I can't really think of any.

    Other: The best battery I've ever used!

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    • Overall
      5
    • Price:
      5
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
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