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 […]
A battery charger is a separate device plugged into a mains wall socket. You remove the battery from the device and plug it into the charger for recharging.