All digital cameras and some camera accessories rely on batteries. Some accessories like flashguns may use regular AA batteries, but almost all cameras now use rechargeable lithium ion cells which have a longer life and deliver a more consistent power output between charges. AA batteries, as used in some flashguns and older battery grips, come […]
AA batteries are used rarely in digital cameras (except in some cheap point and shoot models) but used extensively in external flashguns and battery grips. Alkaline AAs will do in an emergency, but rechargeable NiMH batteries are more cost effective and last longer between charges.