4x18650 Power Shells Outer Cover Mobile Shells Storage Box Lightweight and Use, Green

4x18650 Power Shells Outer Cover Mobile Shells Storage Box Lightweight And UseFeatures:Experience the convenience of this 4x18650 Battery Case, a versatile solution for charging your devices on travel.Crafted with materials, this battery case ensures long lasting use and power for your devices.Designed for gadget enthusiasts, this battery case allows you to easily assemble and customize your own portable by installing 4x18650 batteries.Monitors your battery capacity, and current in real time with the LCD digital display, ensuring you're always aware of your power levels.18650 batteries are not included in the package, you need to purchase separately.Can only use the 18650 battery of which positive electrode is flat top.Note:Do not reverse the positive and negative poles;Specifications:Color Black Red Blue Green Optional Number of batteries: 4x18650 batteriesSize:Approx.103x80x24mm/4.06x3.15x0.94inDouble USB Output:5V/2.4A Most Input 5V 2.1AType-C USBPackage Includes:1x Power Case (Battery not include)Note:Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.