This BOSB18C battery adapter converts conventional B type square lithium batteries to arc C type batteries for tools.With BOSB18C, you can use the for 18V Li-ion battery BAT618 on for ALL 18V green home Lithium toolsColour: BlackMaterial: PlasticSize: 10 x 7 x 38cmPackage Contents:1 x BOSB18C Adapter ConverterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it