Get the flexibility and trimming power needed to finish the job with the DEWALT FLEXVOLT 60V MAX Lithium-Ion Brushless Cordless Attachment Capable 17" String Trimmer Kit 3.0 Ah (DCST972X1). The high-efficiency brushless motor maximizes runtime and product life while consistently providing the capacity to tackle tough overgrowth and withstand heavy-duty use. Easily convert this trimmer into other outdoor tools with universal attachment-capability that allows you to connect additional add-ons and take on more work. It has a 60V MAX FLEXVOLT battery that powers 60V MAX DEWALT tools and is also backwards compatible to work with 20V MAX DEWALT tools.