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trustfire 14500 battery

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trustfire 14500 battery Customers Reviews

  • Working well.

    posted by Go90go

    Works like a charm with an actual measured voltage of about 4V.
    One of the two I received wouldn't charge in my TrustFire charger (SKU:4151) but a charge in my SKU:14885 just took care of that. They are both able to be charged in the TrustFire charger now. You'd be surprised how many times just switching chargers will jolt a battery back to working order!
    Gave it a 4 on build quality because of this issue.
    Great batteries for a great price. Buy them if you don't want to spend $17 each at RadioShack (although those are of much higher capacity).
  • Good flexible charge, a little slow

    posted by regireg

    The build quality is surprisingly good. It works with protected 18650 batteries (easy fit). It works with 18350 batteries (the description does not mention it, but it works just fine!). It is absolutely silent (tested on 220V). It does not get hot while charging. Each slot has individual led indicator of the charging status. You can mix batteries of different types, charge batteries in any combination of slots.
    Not really a cons - never saw packaging and manual with so many spelling errors.
    Overall great flexible charger, definitely recommended.
  • Simply brillant; takes 5 hours

    posted by LFODX

    Not much to add to all the other reviewers except:
    * It takes around 5 hours to charge a 18650 (drained to 3.7V).
    * The "noise" acts an audible sign that indicates charging is completed.
    I carefully bent/twisted the pins on the "US plug" to make it fit in a "AU socket". An adapter will be more elegant but works...
    Recharges my 18650 batts.
    End of story.
  • Good and inexpensive batteries

    posted by CombatControl

    Cheap as I ahve ever seen. Fairly good energy density at around 4.0V after full charge. Remained around 3.7V for most of its charge. Only declined to ~3.2V when near empty. Can manage a fairly high discharge rate.
    For the price it works, and who cares? I have many lights from DE and the ones that come with batteries are dead soon enough.
    Buy them in quantity and buy several chargers. They will last for at least 40 cycles and over a year.
  • Nice punch in a small size

    posted by vaughnsphoto

    These batteries are "AA" size, but have 3.7v instead of 1.5v. When coupled with a flashlight made to accept either AA or 14500, you typically get brighter light, longer runtime, or both. I used one of these with Ultrafire sku.19187 , and it is noticeably brighter.
    I charge these in the same Ultrafire charger I charge my 18650's in, which is handy. No spacers or other charger needed.
    If you have an application for them, they are just the thing.


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