This 100-piece set of 21700 lithium battery brackets is specially designed for assembling and fixing e-bike and scooter battery packs. Each bracket is engineered to firmly hold individual 21700 cells, helping to keep the battery pack tightly aligned and movement during use. The interlocking design allows you to connect multiple brackets to create series and parallel combinations quickly and accurately. The brackets are made from materials to long-lasting performance and reliability. Due to different batches, there may be differences in product appearance and printed text, which not affect use. This 100-piece set of 21700 lithium battery brackets is specially designed for assembling and fixing e-bike and scooter battery packs. Each bracket is engineered to firmly hold individual 21700 cells, helping to keep the battery pack tightly aligned and movement during use. The interlocking design allows you to connect multiple brackets to create series and parallel combinations quickly and accurately. Color: Black Material: plastic Package Contents: 50*1x2 arrangement Battery holder 50*1x3 arrangement Battery holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.