The Kodak Charge K620c is ideal for charging digital cameras overnight. The battery charger has been designed exclusively for digital camera users, who can charge four rechargeable batteries at a time. When two batteries are in use the other two can be used as back-up charge support. The Kodak charger charges AA and AAA Ni-MH rechargeable batteries. Additionally, the Kodak charger comes with 4 rechargeable AA batteries- at no extra cost!