Suitable for DIY combination of imported batteries With professional battery holder to replace the traditional general adhesive, which would bring convenient combination and firmer connection, as well as convenient battery maintenance. The best choice of battery combination The 18650 type belongs to the necessary holder of high-end battery combination, can withstand high fall, high strength support, easy heat dissipation, convenient combination, fixed specifications and free combination With the card slot at the edge, any size can be assembled, match firmly, with strong strength and no need for another device connected by vibration test. Material: ABS Plastic + Polycarbonate Size: 100 x 80 mm Pore size: 18.4 mm Color: Black Combination: 4 x 5 cells Package Included: 20 x Lithium Battery Plastic Holder Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the