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Pros: These 18650 Batteries are protected.Really good capacity.Not too expensiveGood build quality
Cons: The batteries are a little on the long side, these batteries are about 67 or 68 mm long so it could be a problem in some flashlights or other equipment
Other Thoughts: Just good batteries, you could find cheaper batteries but not this good, you could find better batteries but not for this price.These batteries are a good mix concerning price/quality
Bottomline: If you're looking for some good capacity 18650 batteries, don't look further you found them in SKU 5790
Pros: Great price Simple to use Actually works very well for rechargable Protection circuit Works great in my 2 lights - 15739 / 22570
Cons: The diameter is too big to fit into a genuine Surefire Ultra 2. I specifically read a review where a 18650 was used and was looking forward to using a rechargable in my U2.
Other Thoughts: I bought the 3944 charger in the same order. The work great together. No fitment or length issues. I haven't run them down to 2.75V yet but the recharge time has varied from 1hr to 2hrs on the 3944 charger.
Bottomline: Overall, I'm very happy with these batteries. I will try some of the other batteries on DX. I noticed the size of the others are larger and may creat issues.
Pros: Great batteries, charge in no time at all and have found many uses for them already including my fenix and lenser flashlights.The seem well made and no signs of corrosion that I have seen in other rechargables before.Not much more you could ask for in a set of batteries will last a lifetime and I'll be sure to buy more of them at this great price for future lights and equipment.
Cons: Need to find more places to use them :)
Other Thoughts:
Bottomline: Top value, great price, free shipping! Keep up the awesome deals DX
Pros: Charged fine (even though I almost broke the batteries trying to get them in charger).Seems well-builtGood capacityDecent price
Cons: These cells are too long. I measure them as 68 mm long, and as such will not fit in Ultrafire (SKU 1251) charger. Seriously, I almost damaged the cells trying to jam them in.Positive terminals move when putting them in a charger that's a bit too small.
Other Thoughts: As much as I blame the charger for being to small, some of the blame has to go to batteries that are around 4mm longer than spec.Having protected cells is nice but if that means not being able to use them in some chargers then some of that usefullness is wasted.
Bottomline: Had these cells been just a couple mm shorter then they would have received a better score. As it is, I may have to look for a different charger because of it
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