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3.7v battery pack

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3.7v battery pack Customers Reviews

  • Good replacement battery for the original

    posted by Martin5mars

    Not leaking after 1 month of normal use, not over heating, still keeping it's charge. I can't recognize if i'm using my orgininal battery or my replacement, so i guess it's as good as the original one! Some poor quality battery will tend to swollen, but not this one. Definitively good for the price!
    I use it with an external charger, which makes a usefull setup for travelling. Always have a battery backup, charges at night.
    A would recommend this for anyone who's looking for a battery replacement or a battery backup.
  • perfect!

    posted by ch35c0

    This review is for either the first one I bought almost a year ago or the one I recieved today.Both of them work exactly the same as the original from my Casio EX-ZR10 (first test recording video and longed the same time).The batteries are very cheap and work very good.
    The battery isn't totally like the images. It is fully in white (except the plastic part) front and back. Not really a con but worth saying.Maybe a hard case would be fine or something to carry it, because it's my "emergency" one.
    It's my second one, so I guess you could say I'm pretty glad with it (if not I'd bought a different one).As I said, a very good battery at a very good price.
  • 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.
  • Exelent replacement

    posted by petizzle

    After 1 week of use, I don't see any difference between this and original battery which is few times more expensive. This battery came very nicely packed. Also I received plastic case for carrying it. I would say this battery lasts even little longer than original HTC CHACHA battery. I am very happy with this product
    Extra battery is perfect for you if you go somewhere without electricity for a few days. I think extra battery is a must if you own a smartphone.
    I strongly recommend buying this instead of original battery.
  • Worked great

    posted by mkodummy

    - Incredibly good price
    - Build quality okay
    - To date, can handle hundreds of pictures (I'm no professional photographer though)
    At first I was unsure to purchase a non genuine battery. I took the chance, and boy was it a good one.
    - Good as a spare battery.
    - You won't seek power plugs in the middle of parties anymore.
    Given the price of a original NB-4L battery for my Canon IXY 20 IS point-and-shoot in my country (approximately 150 USD) this was a amazing buy. Highly recommended.


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