rechargeable batteries

Early this month I wrote, Every Photographer Needs A Good Battery Charger, and if you passed on the La Crosse Technology BC-900 AlphaPower Battery Charger because of its high price, you can save up to 44% on its baby brother today!
What’s the difference between the two chargers? The La Crosse Technology BC700 Alpha Power Battery [...]

To power flashes all professional photographers either go through a lot of disposable AA batteries, use expensive hip battery packs, or pack rechargeable batteries.
Personally I use a combination of disposable Lithium AA Batteries (as their longevity justify their higher price) and rechargeable batteries. But one thing I quickly found is that the cheap battery chargers [...]