18650 battery holderSize:60.75mm(L) x 20mm x 9mm(W)Any combination, unlimited combinationNote: the nickel film and battery are not included. The combination of batteries requires two stents.Use: Vehicles & Remote Control ToysUpgrade Parts/Accessories: FrameFour-wheel Drive Attributes: AssemblageFor Vehicle Type: HelicoptersRemote Control Peripherals/Devices: BatteryRC Parts & Accs: Batteries - LiPoTechnical parameters: Value 2Tool Supplies: Batterycolour:BlackMaterial:plasticPackage Contents:100 x fixed bracketOnly 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 real thing. The measurement allowed error is +/- 1-3cm.