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ultrafire protected 18650 battery

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ultrafire protected 18650 battery Customers Reviews

  • Extremely Good Battery

    posted by tabetha

    The protection on these does seem to work, as I applied a heavy load and they didn't play ball.
    Additionally they cut off when I tested them with extended run times on torches.
    Glad I bought protected from what I hear about unprotected.
    Would defo buy again, in a few weeks!!
    Keep a stock of these charged up so always ready to go.
    Recommended, my best batteries yet.
  • Good but capacity overrated

    posted by Schneizel

    Protection circuitry prevents over-discharge and over-charge.Length is pretty close to 65mm. Never actually measured but it fits in my X2000 torch. Some complain that protected 18650s don't fit in this torch.
    You could buy this if you need protected cells but personally i would recommend the trustfire 2400mAh in black/red. They're just ~$2 more and they give a true capacity of 2400mAh.
  • Works well

    posted by LOUISSSSS

    Holds charge for very long. Powers up my P7 flashlight very well. Gives over 1 hour of usage on high. Both batteries came in good condition. Fits very well in the ultrafire wf-139 charger.
    Cheap!
    Very good batteries so far. No problems at all. How should these batteries be stored when not in use for months at a time? At what charge should they be stored at?
    Will buy more of when needed
  • gooood batteries!

    posted by marakas

    realy good batteries, i have not any problems with them.
    i use it in my TR-801 http://www.dealextreme.com/details.dx/sku.15335
    and it give me perfect lite fore quite long time (approximately 2hrs)
    i can not compare this batteries with smth else, but i have satisfied!!
    all ok.
    good deal. i have satisfied
  • Excellent Purchase!

    posted by intelboy15

    1) It is a 2400mAh capacity battery.2) 2 batteries (@ ~$5 for one)3) PCB protection against overvoltage, overdischarge, and overcharge4) Build quality on par with major brand names
    I'll be using it to build a battery pack for a old cordless drill since I can't buy any Li-Ion battery packs for the drill.

    The larger size isn't much of a hamper, although it is much larger than I had expected (roughly double the volume of that of a standard AA). The high capacity is great and it has a PCB.

    I'm sure it'll be a great buy for those high-drain CREE and Luxeon LED lights (if you can get one to fit).
    Cheaper than any retail or online store in the U.S. for the same brand and quality battery. PCB equipped for about $5 a battery.

    Buy it if you need these 18650 batteries or want to build a battery pack out of them.

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