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Pros: Fantastic batteries for the money. I ordered a pair of these batteries and both arrived safely with a full charge. I'm currently using one in my Cree flashlight (Ultrafire A10b) and it works perfectly fine. PCB prevents overcharging and discharging.
Cons: PCB on one of the batteries is slightly crooked but still functions without any problems. PCB board at the negative end of the battery is also very soft and already has circular marks from the contact spring in my flashlight. Because these batteries have PCB protection, they are slightly longer than regular 18650 batteries and may not fit in certain battery chargers. Make sure your battery charger will accept protected batteries! Batteries were wrapped with cellophane tape and when I removed the packaging, both batteries had a sticky tape residue on them. Fortunately, I was able to remove the residue just by rubbing the residue off with my thumb.
Other Thoughts: Purchased these batteries for my Ultrafire A10b flashlight (SKU.29096) and they work perfectly. Batteries are wrapped in cellophane tape and shipped in bubble wrap. They arrived safely and were not damaged.
Bottomline: There's a wide variety of 18650 batteries for sale on DX but I chose these because of their reasonable price and capacity (2400mah). I'm glad I bought these batteries because the quality is pretty good. They hold a good charge and get the job done.
Pros: Pros: Great price, they hold a charge quite well, I have found no difference between these and 2500 mAH version (SKU 5790). I haven't done an academic test between the two though, but for all intensive purposes, they work great!
Cons: Cons: Always worried that a fire could start while they're charging, so I only charge these when I'm at home-Better safe than sorry.I keep them in a protective case (18074) to make sure nothing metallic causes a short while they're in my bag.
Other Thoughts:
Bottomline: They work great, no complaints with them yet-hold a charge for quite a while. Thanks to Dealextreme for offering a great price on these!
Pros: Very acceptable price, capacity is quite good (hasn't needed charging once in my laser, though I have been using for several weeks), build quality OK, and overall very good.
Cons: Its base is getting worn away slightly by the spring of my laser - it now has a nice deep ring gouged in it. Also, the label feels a little cheap, but this is to be expected. Other than this, no issues at all - though I haven't read the text, you may expect to find some spelling errors.
Bottomline: Cheap, cheerful rechargable and protected batteries that really deliver a punch!
Pros: Very well constructed battery. Came with 3.8VCame with good packaging.Seems to provide an even amount of power as my torch didn't dim after a few minutes.
Cons: None found yet. 500 word limit is too long for a battery :P
Other Thoughts: Provided a good fit in my flashlight SKU 12623Haven't used it long enough to charge it fully yet. But hopefully it all works good.
Bottomline: Get some battery cases to store your batteries in. Great product. Definitely buy this one as it has the most protection (over charge, undercharge, shorting)
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