Genuine used original part. This is a genuine refurbished 18v Battery ET-D1806 for Challenge N0E-15ET-230 Cordless Grass Trimmer and Challenge M0E-12ET-410 Cordless Hedge Trimmer. It is also suitable for the Ryobi RSV18-0 18V ONE+ Cordless Brushed Stick Vac. As part of the Ryobi ONE+™ system of over 200 cordless tools for the home, garden, automotive, crafting and much more, this battery offers great value. We are a genuine family run business established for over 30 years, UK based and VAT registered. We only sell products that are in stock and available for immediate shipment direct to you. We are committed to outstanding customer service.