Specifications Support Model 18650 BatteryShell material Environmental PPMetal spring carbon steel nickel plating by NCAA salt spray test stainless steel spring External wire welding pieces pins male and female buckle 3 7v button Terminal copper nickel platingCorn nickel plated with coppervSize 76 61 19mmPackage Included 3 x 3 Slots 18650 Battery Holder Plastic Case Storage Box
