Photo : Lenmar DLC4L Lithium-ion Digital Camera/Camcorder Battery Equivelent to the Canon NB-4L Battery

Rating: - As good as the original
This battery lasts a long time, so far it holds its charge longer than the battery that came with the camera. I am so glad I got this battery, I never miss a picture with it.

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Rating: - Best lithium-Ion deal around
For the price you can't go wrong. A fraction of the cost charged by a camera manufacturer.

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Rating: - Initial Impressions
I purchased two of these on the basis of favorable comments. I have only tried one of them so far, and only one charge cycle.

I charged one fully with the Canon charger and used it in my SD450. It's life seemed much shorter than my 2-year old Eveready battery and the Canon battery. I don't know if this is just this sample, will have to use it more and also the other sample, to see.

If I recall, the instruction does say the battery should be charged and drained fully to get maximum capacity. I'll have to test to see if that's true here, but usually Li-Ion batteries like these do not benefit from such charge/discharge cycles.

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Rating: - As good as the battery that came with the camera, but cheaper!
I bought this Lenmar battery as a spare for a two week trip overseas. This battery seemed to last as long as the more expensive canon battery that came with the camera. I questioned the quality when I saw the price, but I don't see any difference. I would buy another Lenmar battery.

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Rating: - Great to have a 2nd battery, but not as much run-time
This battery only lasts about 1/2 to 3/4 the standard stock battery that comes with the cannon. Of course it was less money, so I can't complain too much. Definitely worth having a backup, so you don't get stuck with one battery and not be able to take pics at that "moment".