I have confirmed that the camera functions, such as shooting and playback, are working. The battery is included, but it is a consumable item and its condition is unknown. Please replace it at your own expense if necessary. This is a used item, so we cannot offer any warranty, support, returns, or exchanges after purchase. Please also be aware that we are not responsible for any issues that may arise after purchase. If you are concerned about minor details, please refrain from purchasing.