Includes AAA battery. Arm & Hammer: The standard of purity. Brush head is not replaceable. www.spinbrush.com. www.spinbrish.com.au. www.spinbrush.ca. www.disneyjunior.com. how2recycle.info. Questions? North America 1-800-561-0752, M-F 9 AM - 5 PM. Made in China.