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18650 ultrafire 4

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18650 ultrafire 4 Customers Reviews

  • Well built bright bike light / headlamp

    posted by Fridfjell

    This is a very strong light.The beam is well spread for running / bicycling.Build quality is good.
    I have not yet tried attaching the lamp on a bicycle, but that should work ok as well I think.
    I recommend this bicycle light/head lamp!
  • Excellent Bicycle Lamp!!!

    posted by renatoluizlopes

    Excellent Bicycle Lamp!!! It really solved my problem in my nightly rides. I had bought one before, but too bad, it couldn't illuminate enough... but this one is waaaaayy better... it explain itself why one cost U$5.00ish and this one cost U$37... it worth it, no doubt. It capable to illuminate well a great area, good material, easy to use, and runtime over 3 hours using High light mode... perfect for me.
    I made an adaptation to use it in the helmet. But very good to use it on the handlebar as well.
    I recommend it.
  • Good value for money

    posted by JD2011

    Good finish, works fine, good value for the priceBright white light. It is a "flood light" and not a "Spot light" but very good for home use.More practical size and shape for me than the long tube type 7 x T6 Cree lights.
    At the moment I cannot make a statement about battery life because I received the product recently. Needs four 18650 batteries.
    I recommend this product, would buy it again
  • Works great, wide beam

    posted by steveolyo

    Lights up the trail well, worked for me all winter in 15-60 degree fahrenheit weather. Works well in wet and dry conditions. The unit has survived a couple of 4 foot drops onto my concrete floor, no problems or cracks. Nothing I would suggest trying though.its been reliable for four months of winter riding in Utah, for the price including a 4200mAH battery and charger, you can't beat it.
    Great deal, bright enough for my dark rides.
    For longer than 90 minutes, I have a backup battery, 4200mA may not last a full ride on high beam.
  • Cree 600L Lights

    posted by Sheddie

    Good light and bright enough for mountain biking or road cycling.Probably no need for a brighter light as these are suitable for most people.
    I think if you get a more powerful light you get shorter battery life life so this model is a good compromise.
    Unless you are cycling in forest trails in total darkness this light will do. In fact it would do for forest night riding but I know a lot of guys always want the most powerful lights but they are not necessary. The longer battery life here is real plus.

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