Upgrade your power tools with this high-quality Ferrex Activ Energy battery. Designed to fit tools from the Energy brand and with a voltage of 40V, this battery will provide all the power you need for your DIY projects. The battery is brand new and sealed, ensuring that you receive it in perfect condition.With this battery, you can confidently take on any DIY task, from home repairs to workshop projects. It is compatible with a wide range of power tools and air tools, making it a versatile addition to your toolkit. Get yours today and experience the power and convenience of Ferrex Activ Energy.