Batteries and rechargeable batteries are energy sources that make it possible to use cameras, external flash units and other devices. You can choose from classic AAs or original and non-original batteries that are designed for specific camera models. Chargers are used to recharge batteries; these becoming a basic accessories of every photographer.
Batteries and accumulators provide power to digital cameras. Batteries, unlike accumulators, cannot be recharged. Batteries are most commonly divided into AA, AA rechargeable batteries, and specialised accumulators. Battery chargers are supplied with some cameras.