The Replacement EH-69P AC Adapter Charger from Nikon lets you power select Nikon COOLPIX digital cameras directly from an AC outlet and that way save on battery power. This AC adapter utilizes a USB power connector (sold separately or use original that came with camera) that fits inside the camera's battery chamber and is ideal for extended indoor camera use such as for studio sessions, when uploading files to a PC, or when playing back media on a TV. The EH-69P also serves as a battery charger.