Both the battery in the scrub brush are brand new. The only thing taken out of the pack was the tool. The Ryobi USB Lithium 3Ah Rechargeable Battery FVB03 is a powerful and versatile power tool accessory designed for various tools and equipment. With Lithium-Ion battery technology and a 4V voltage, this black battery offers long-lasting performance for your power tools. The compact size of 3.5 inches in height and 4 ounces in weight make it easy to handle and transport, while the included Ryobi Scrub Brush adds an extra cleaning tool to your toolbox. Ideal for DIY projects and professional use, this rechargeable battery ensures efficiency and convenience in your home and workshop.