This 500Pcs 18650 LiIon Cell Battery Holder set provides a practical solution for organizing, storing, and using cylindrical 18650 cells in DIY projects and professional work. Each piece acts as a battery holder, storage bracket, or stand spacer, making it easy to keep cells aligned, protected, and ready for use. Key benefits Efficient organization: keeps multiple 18650 cells neatly arranged and easy to access, reducing clutter in your workspace. Flexible DIY compatibility: designed for use in a variety of projects, from custom battery packs to test rigs and display setups. Portable and scalable: a bulk set that supports large inventories or rapid assembly of cell configurations. Safe handling and separation: acts as spacers to minimize contact between cells and prevent shorting during storage and transport. Easy to use: simple, straightforward design that requires no special tools or expertise. Key attributes Functionality: battery holders Brackets and stand spacers for cylindrical 18650 LiIon cells; suitable for bundling, organizing, or spacing cells. Compatibility: fits standard 18650 cylindrical LiIon cells. Quantity: 500 pieces included in the set. Size and fit: designed to accommodate standard 18650 dimensions; intended for use in DIY projects, storage, and assembly workflows. Material and construction: material not specified in the listing; designed for practical holding and spacing of cylindrical cells. Performance: provides reliable organization and separation to support safe handling and efficient workflow. Use cases Build a custom 18650 battery pack or modular power solution: use the holders to arrange cells in a single row or grid as you assemble a pack. Inventory management and workstation organization: store and separate a large number of 18650 cells in clearly defined spots for quick counting and access. Prototyping and demonstrations: create a compact, portable display or test rig that requires neatly aligned cylindrical cells and easy swapping. How to use Open the holder or bracket. Insert a standard 18650 LiIon cell into the slot or channel. Use additional holders as needed to create a row, cluster, or spacer arrangement. Transport or store the assembled configuration safely, with spacers helping to prevent contact between cells. Note This description reflects the product's stated features: a 500 piece set of 18650 LiIon cell battery holders, portable storage brackets, cylindrical battery stands, spacers, designed for easy DIY use, and compatible with standard 18650 cells. Material specifics are not provided in the listing.