ITEM NAME:100Pcs 18650 Battery Holder Bracket Cylindrical Battery Holder 18650 Li-Ion E2R8 100Pcs 18650 Battery Holder Bracket Cylindrical Battery Holder 18650 Li-Ion E2R8 Type:Battery Storage Box Product Name:18650 battery holder 1, The support has a side seal. It can be assembled in different ways according to your needs. 2, Add an 11mm nickel connector to support more current. 3, The distance to the central core is 20.2 mm, excellent for cooling the batteries This battery holder is very flexible, which allows you to use it for 12 V, 24 V and 36 V batteries that are used in electric bicycles, power tools, storage batteries, electric car batteries, etc. colour:black Material:plastic size:44*20mm mounting hole:18.4 mm Package Contents: 100*18650 battery holder bracket Note: Batteries not included