Specifications: Environmentally friendly ABS material, free of welding and safe use. LCD display charging progress, with flash light indicator for easy read. Supporting over-voltage protection, over-current protection and short circuit protection. Compact and lightweight design, easy to carry. Widely compatible with mobile phone, cameras and other digital devices. Empty battery case will need you to add the battery to complete it. Battery is not included. Item Name: Empty Battery Case Shell Material: ABS Applicable Type: Universal Type Conversion Rate: 85 (%) Battery Capacity: 2000mAh - 6000mAh Battery Type: 2 x Liquid Lithium Ion Core 18650 Batteries (Not Included) Main Board: Multi-channel Independent IC Management Protection Board Protection Function: Anti-reverse Connection, Anti-series Connection, 18650 Battery Charging, Repair Function Input Voltage: DC5V 2A Output Voltage: 5V/2.5A Features: Indicator Light, Empty Enclosure, Portable, USB Port, LED Light Length: 10cm/3.94" (Approx.) Width: 4.5cm/1.77" (Approx.) Thickness: 2.5cm/0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Empty Battery Case (Battery and Others Not Included!)