The OEM FLEX 24V Lithium-Ion 2.5Ah Battery FX0111 is a high-quality power tool accessory designed for Flex tools. With a brand name of Flex and a model number of FX0111-1, this battery utilizes lithium-ion technology for long-lasting power and durability. The 24V voltage and 2.5Ah capacity make it compatible with a variety of power tools, providing reliable performance for various tasks in the home and workshop. Although this battery does not come with a box, it is a reliable choice for those in need of a replacement or additional battery for their Flex tools.