If your house is like mine you never have enough batteries. Here is a great deal you can get on rechargeable ones. You can garb this Maxell Fast Charger with 10 AA 2100 mAh Batteries. These can either be charged by plugging them in the wall or with using the usb. They are only $12.99 right now at Tanga.com. That is a HUGE savings! Walmart has just the charger alone for $19.87.