The Stanley FatMax V20 18V Battery Adaptor is a versatile and convenient tool for professionals and DIY enthusiasts alike. This adapter allows users to power their V20 tools with an 18V battery, making it a cost-effective alternative to purchasing additional V20 batteries. Designed for use with Stanley 18V cordless power tools, this adaptor allows you to convert Stanley FatMax V20 1.5Ah and 2.0Ah batteries. - Provides a cost-effective alternative to purchasing additional V20 batteries - Compatible with a range of V20 tools, allowing for versatile use - Designed with durable and high-quality construction for long-lasting use - Lightweight and easy to transport, making it perfect for on-the-go projects