ITEM NAME:10PC 18650 Battery 4x5 Cell Spacer Radiating Shell Plastic Holder Bracket 1 L9U9 10PC 18650 Battery 4x5 Cell Spacer Radiating Shell Plastic Holder Bracket 1 L9U9 Suitable for DIY combination of import batteries With professional battery holder to replace the traditional general adhesive, which would brings convenient combination and more firm connection, as well as brings convenient maintenance of the battery.its the best choice of the battery combination Type 18650 belong to necessary support of high-end battery combination, can withstand high drop, high strength support, easy to heat dissipation, convenient combination, fixed specifications, and free combination With card slot at edge, any size can joining together, match up firm, with strong, and no need for other device connected by vibration test. Material: ABS Plastic + Poly-carbonate Size: 100 x 80mm Pore size: 18.4 mm Color: Black Combination:4 x 5 Cell Package included: 10 x lithium batteries Plastic holder Note: Light shooting 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.