3.7V 3×5 (15) 18650 Battery Cell Spacer/Holder a cylindrical battery spacer, made by flame retardant ABS+PC materials, with high-temperature resistance and crack resistance. There are slots on the edge of the holder, can be combined into many different sizes and shapes of the battery pack; after welding nickel tabs, the pack can pass vibration test without any other connecting device. Making your battery pack Solid and Reliable!
Made of ABS material, lightweight and durable
Fits 15 x 18650 batteries
Makes your battery pack Solid and Reliable