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26 of 29 people found the following review helpful
on November 28, 2011
These provide tons of power for my (overpriced) flashlight. Makes it seem almost worth the price I paid. I haven't cycled the batteries very many times yet, but so far they are charging very well, and fairly quickly.

I've left my original review above, but now the conclusion is much different. After using these batteries for less than a year they have completely failed. So the price is quite high and they work great for a while, but fairly quickly they reach a state where they no longer take a charge. I charged and then discharged the batteries perhaps every 2-3 months. I'm not sure if this is the prescribed usage pattern, but it seems like a usage pattern that would be fairly common for a flashlight.
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21 of 24 people found the following review helpful
on March 19, 2011
I know this stuff is all made in China but some companies have way better QC- this is defintely one of those. Way better then Trustfire. This unit is smaller and better built, highly recommended for use with 18650 batteries.
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18 of 22 people found the following review helpful
on October 6, 2011
I ordered this product for my Fenix TA20 Flashlight and let me tell you it is a really great product. The charger is very well made and the batteries hold their charge really well. It was a great value for the price. I would highly recommend this to anyone that requires rechargeable batteries for their flashlights. The company delivered right on time and in excellent condition.
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3 of 3 people found the following review helpful
on January 11, 2013
I can't compare these batteries to other ones since i don't have other experience, but the batteries work fine with my Fenix TK-35 flashlight.
Only one thing that no one else has mentioned is that sometimes when you are putting the batteries in the charger, the red charging light doesn't come on until you wiggle the batteries a little bit. So, it's not that the charger isn't working (which was i thought at first), it's just that the contact between battery and charger isn't perfect. And if u didn't know, this is not a fast charger. It takes a few hours for the green 'charged' light to go on.
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5 of 6 people found the following review helpful
on October 31, 2011
Awesome they made my flashlight last a lot longer and don't take that long to charge. i would say it takes around a hour or more if completely dead. They haven't done me wrong so i recommend them!!!!!
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7 of 9 people found the following review helpful
on May 7, 2012
These are really great batteries and worth paying a few extra bucks for. They hold a charge noticeably longer in my Fenix TK35 than the other ones I had! Very pleased with this purchase.
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2 of 2 people found the following review helpful
on February 22, 2013
I bought a Fenix LED flashlight from REI for my husband's birthday, but forgot to get the batteries! I immediately went on Amazon and bought this set. Everything came brand new and as advertised. The batteries last a long time and we love being able to recharge them as these kind can get pricey if we had to buy it over and over. Highly recommended!
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2 of 2 people found the following review helpful
on January 2, 2014
Tenergy has always provided the highest in quality and performance with their batteries. I can now say that all my airsoft AEGs and flashlight accessories are powered by them. Great buy, and well worth the two batteries and smart charger.
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6 of 8 people found the following review helpful
on March 13, 2012
Title pretty much says it all. High quality charger.. Charges my 18600 2600mah very quickly... Additionally, the batteries themselves hold a great charge. I use them in my Olight M3X Triton 700 Lumen flashlight and it really pops. The same as when I use 4 cr123's, at least. They also arrived 4 days before the estimated delivery date with amazon prime.
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2 of 2 people found the following review helpful
on June 6, 2013
Idiot proof function and batteries that just...won't....run...out...of...juice! Honestly, these 18650's won't die. I'm talking a year of daily use in an LED flashlight and I have yet to swap it out.
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