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18650 battery 3.7v ultrafire

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18650 battery 3.7v ultrafire Customers Reviews

  • Ultrefire 18650 Battery

    posted by aekrusty

    Very good price, very cheap. It is very durable, doesn't request to be charged often. Came with a nice plastic case to store them. Great addiction to your flashlight.
    Check if your flashlight can hold this battery. The Surefire G2 can't holt it.
    It shakes less than 2 16340 batteries. Must have. But get ready to make a deal with some defective 18560.
  • fantastic batteries

    posted by DabeMaguro

    hold a great charge for a long time. Protected cells! no overcharging.good heatshrink material. shipped in a wrap that protects them.
    Great batteries. well priced. good functionality. they really brighten up my flashlights.
    I have 3 sets and i use them. I will probaly buy more if i get another flashlight. i want to try other batteries from DX, but these work so well, i dont want to not get them.
  • The first impression is good

    posted by vat74

    Taps for installation on board.High capacityIndividual cases for a couple of batteriesConclusions insulated heat-shrink tube.
    Batteries chose specifically tapped for installation on board. Immediately set them in place. Now my screwdriver got a second life. It now remains to check how long the battery will last update.
    The only battery soldered. The first impression is good, after tests on the actual load will see its potential.
  • Incredable

    posted by caddymum

    These are the cheapest 18650's you will find anywhere. You can't get them this cheap at a garage sale!
    They are protected, and have no fear of these bursting into flames on the charger.
    Charging on the UltraFire charger means there are no worries if you forget them on there for a little while.
    They fit in my Fenix TK11 no problem, unlike some other protected brands on the market.
    I wish they had these in a bulk pack of 4, 6, 8, or even 10.
    If you want a terrific protected 18650 DO NOT look any further, because you are looking at them right now.
    I dare you to find a cheaper price on teo of these ones anywhere.
  • Looks good

    posted by yutakajr

    The product is working
    I didn't have time to to a lot of tests and see the durability. But in a few tests the three batteries area working.One of the plastic boxes that the batteries came inside was broken, probably because the transportation
    The product could be made with a better material and protection to keep a long life

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