This set includes a battery tube and a battery holder.The battery tube suitable for 18650 battery, not suitable for 26650 battery.The battery holder suitable for AAA battery, not for AA battery.Lightweight, easy to carry. Perfect for flashlight and torch.Item Name: Battery Tube + Battery HolderMaterial: PP + MetalQuantity: 2 Pcs/SetFeatures: Durable, Easy to Use, Portable, UsefulBattery Holder: 6.4cm x 2.15cm/2.52" x 0.85" (Approx.)Battery Tube: 6.15cm x 2.15cm/2.42" x 0.85" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x 18650-Battery Tube1 x AAA Battery Holder