Energizer is a good top battery brand on the market, with a cute bunny commercial where the bunny keeps going and going, but do the batteries? If they are rechargeable, they sure do! The reason I say get rechargeable batteries is because electronics eat up batteries fast, especially digital cameras, and I use my digital camera all the time!
The Energizer batteries and the charger come together, along with a car charger for about $25 at Amazon.com. It comes with 4 2500 NiMH AA batteries and can only charge 4 AA batteries at a time. Amazon.com's description says that it can charge AAA, but, as far as I can tell, it can't. The batteries take about eight and a half hours to charge, and it's easy to tell when the batteries are fully charged, since there's a little light that goes on when you begin to charge them and turns off after they are fully charged!
I've had this product for about a year now and the batteries and charger are still working flawlessly! It is really a time saver because I always have an extra set of two batteries precharged when I need them in case the batteries die unexpectedly on me in the middle of a birthday party, or while the other two are charging, I can just use the spare ones. It's really convenient for me.