TrustFire 14500 3.7V 900mAh Rechargeable Lithium Batteries (2-Pack)

Pros: One came 4.00V and one 3.87V. At least neither was dead.
They do what they are supposed to, making my AA/or Li-Ion light brighter like the instructions said.
Extra words to get 1000 characters.
More extra words as my first try said not enough.

Cons: I have a DSD charger and I had to do some fancy stuff to charge one.
Can't find anything else to dislike!
Blah, Blah, Blah. Extra characters.

Other: If you need 4.2V in AA size you could do much worse!

Pros: Good price. Useful for direct driving 1XAA torches. Have a raised positive node (like the new grey Trustfire 18650) so no need for magnetic spacers.

Cons: Have 10% more volume than 16340's (RCR123A) but the capacity seems to be worse. Tempting to try them out in 1.5v torches (damamged a switch in one of mine but repaired it with sku.5618).

Other: Good performance mod.

Pros: These seem to be pretty good 14500 cells. Unlike a lot of protected cells, these are not longer than the 50mm standard size for 14500 cells. They work well in my TL3 Mini-M@g hotwire, and fit with no problems, either in width, or length.

Cons: Build quality is so so, but probably better than average in this price range. I have not actually checked their capacity, but I suspect it is somewhat less than stated on the side. I have not tried these yet in my Mini-M@g with the H-1499 bulb, they may lack enough "oomph" for that setup.

Other: These seem to be good 14500 cells at a very reasonable price.

Pros: The thing is that I ordered one pair of these, as well as a pair of these: http://www.dealextreme.com/details.dx/sku.26124 Just to check which were better. I just feel that these are cheap rechargeable li-ion batteries, nothing more. CHEAP. These were acting as a 1.5v normal battery after being charged fully, the other batteries CLEARLY was much better.

Cons: - Did not (on my Ultarfire C3) perform better than a rechargable 1.5 nicad battery (slightly better but not much). I would recommend anyone thinking of getting 14500 batteries for their flashlight or similar to go with the Trustfire 14500, 900mAh batteries; http://www.dealextreme.com/details.dx/sku.26124 - than these ones. The Trustfire ones are the way to go. POWER! Sorry DX, but these were my first dissapointment in all items I have ordered. They act like normal 1.5v rechargeables :(.

Other: Good rechargeable's, but do not hope for some powers (3.7v) from these..... Unfortunately.

Pros: -Price. For the same price as an average rechargable NiMh AA cell you have a Li-Ion cell. So come on, even if they would have less capacity than advertised, it is still an excellent deal.
-They work as advertised, unprotected cheap cells for any 3.7V AA size application.

Cons: None so far. Even if there were some small ones, the proce would make up for them.

Other: Get these cells if you intend to buy unprotected 14500's, use a good charger.

Pros: Great battery, that has performed very well.Have been recharged many times and still work great. They last a long time in all the things I use them for. You can't buy disposables for this much so no one should complain about price. These are amazing.

Cons: None.

Other: Good Quality all around battery. Will buy these in the future without hesitation.

Pros: -Price. For the same price as an average rechargable NiMh AA cell you have a Li-Ion cell. So come on, even if they would have less capacity than advertised, it is still an excellent deal.
-They work as advertised, unprotected cheap cells for any 3.7V AA size application.

Cons: Did not (on my Ultarfire C3) perform better than a rechargable 1.5 nicad battery (slightly better but not much).
I would recommend anyone thinking of getting 14500 batteries for their flashlight or similar to go with the Trustfire 14500, 900mAh batteries; http://www.dealextreme.com/details.dx/sku.26124 - than these ones. The Trustfire ones are the way to go. POWER!
Sorry DX, but these were my first dissapointment in all items I have ordered. They act like normal 1.5v rechargeables :(.

Other: f you need 4.2V in AA size you could do much worse!

Pros: -Price, cheaper than any NiMH or NiCAD rechargeable batteries in Australia
-Also on Australia, these types of batteries are hard to find, therefore they are very expensive instores.

Cons: -None

Other: The supreme method for volt modding your Nerf ECS guns.

Pros: - Purchased these for upgrading the voltage on my Nerf ECS Stampede, they make it a lot more powerful.
- Easy to use.
- This product is very hard to source locally in my country (Australia) so this is the fastest way to source it.
- Great battery life

Cons: - These batteries have extremely high voltage, do NOT buy them for general use, as putting them in electrical equipment with low voltage output will cause them to OVERHEAT and CATCH FIRE, as they did with my RC Car.

Other: - Useful for Nerf gun mods, not much else.

Pros: These are very cheap batteries but you really do get good quality with these.
I tested the capacity on a 0.5A discharge and it came in at 789mAh, I was not expecting that at all.
I havent tried them on a 1A discharge yet but I wouldnt expect this size battery would be put under such a load.
Never had one arrive dead or over discharged either.
They also came in a nice little solid protective case.

Cons: None really. Just have to remember they are unprotected.

Other: Good cheap high powered unprotected battery. Cant lose with this one