I just wanted to follow up regarding AW batteries, because I think what they offer is somewhat underrated. While AW doesn't manufacture batteries (they test, validate, and re-wrap other quality cells), the service they offer is very valuable. For the average consumer who doesn't have the time or the interest to do the research on cell quality, AW is a brand that can be purchased with confidence that you're getting quality cells that have been run through additional quality checks. You pay a little more for the cells (because of the additional quality check services), but for many people, it's a very good thing.
For me, it's always buy cells from trusted (community rated) outlets; be mindful of the output ratings and the applications in which the cells are used; and always (ALWAYS!) store and transport high drain batteries in the appropriate storage cases when not installed in your device. Yes, pay the extra buck or two to get the battery cases, which should always be available where you purchase the batteries.