This 18650 battery holder features a 3D-printed design and is specifically made to hold 12 18650 batteries. The purple base is sturdy and durable, with the batteries arranged precisely inside to fit perfectly, providing slip resistance and shock protection. It keeps the batteries organized for easy access, whether for daily use or outdoor trips. Paired with colorful batteries, it adds a great visual appeal and instantly gives a techy look to your desk. Ideal for DIY enthusiasts, electronics hobbyists, and geek collectors.