The latest high power aa battery from ansmann is the new ansmann 2850 mah nimh nickel metal hydride rechargeable battery available in a pack of four batteries the ansmann 2850 mah rechargeable digital camera battery has a 2 year warranty and is designed to supply higher current than regular aa batteries this allows even longer operating times for mobile applications with a high energy consumption such as digital cameras and flashguns the use of nimh batteries reduces costs environmental p