I never even knew Apple had a battery charger. But, $29 for a AA charger + 6 AA-batteries sounds like Apple pricing.
This is what got me into good rechargeable batteries. I had used regular rechargeable batteries before but they all died out after two or three years. I bought the original though, the Eneloops with an Eneloop charger and they were the same price as the Apple branded Eneloops. Considering how much money I saved over the years it was a good investment. For me and the planet.