Compact and Versatile Battery Storage: Designed for individuals who prefer building their own battery packs, this storage box accommodates three sets of seven 18650 lithium cells. The fixture securely holds each cell, enhancing the structural integrity of your battery pack. Robust Material: Made from high-quality ABS, the shell holder is lightweight and durable, offering excellent protection against environmental factors and mechanical damage, suitable for motorcycle applications. Easy Assembly: Designed for DIY enthusiasts, the user-friendly setup allows for quick and simple assembly of custom battery packs, ideal for various electronic and automotive projects. Note: Due to different production batches, there may be variations in product labeling; this does not affect functionality. Product Name: Battery Case (without battery) Compatible with: 18650 batteries Contents: Empty box (battery not included) Color: Black Material: ABS Package Includes: 1 x 12V 7Ah empty box (battery not included) 2 x Holder 4 x Nickel Strip 1 x PCB board Only the items listed are included; other accessories are not part of the package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1-3 cm.