having recently bought this battery for my camera, i can safely say, it is the best camera bettery i have had so far. I use my camera vertually all day every day so therefore, i obviously go through many, many betteries. This has proved a problem to me but now that i have found the canon NB lithium Ion battery, i see my problems at an end. it has allowed me to create, manage and share my images and information more efficently 'for sure'. i cannot specifically think why this bettery would be any better than the others but something about it just seems so good. i would reccomend not just this battery, but cannon also, fo those who are looking for long lasting, lithium ion batteries for their canon or other brand, product.
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