The Worx battery WA3639 is a powerful lithium-ion battery with a capacity of 2.0 ampere-hours (Ah) and a voltage of 20 volts. This battery is specifically designed for use in various tools and provides a reliable power source for a wide range of applications. Weighing 400 grams, it is lightweight and handy, making it easier to handle during work. The battery belongs to the category of device batteries and is device-specific, meaning it is optimally tuned to the requirements of compatible tools. The use of lithium-ion technology ensures high energy density and a long lifespan, allowing the battery to deliver efficient performance. The Worx battery WA3639 is an excellent choice for anyone who values quality and reliability, making it ideal for DIY enthusiasts as well as professional users who regularly work with cordless tools.