Features: Made of premium material, it is wear resistant and durable. for DC Output Power: continuous high-power output 18W, short-time high-power output 24W (MAX). Can be installed 7x18650 lithium battery. Fast charging, plug and for play, long charging for time. Mini portable design, convenience to carry. Light weight design is very easy to carry. for 99% USB devices, such as for smart phones, tablets, computers and so on. Function: temperature for protection,Short circuit for protection,Reset for protection,Over current for protection,Over voltage for protection,Battery overshoot for protection. DIY design, easy and convenient to use. Perfect for outdoor travel use. Click the button: the battery level is displayed, and the blue indicator light is on. Long press the button: start DC9V output, the green indicator light is on. Long press the button again: start DC12V output, the red indicator light is on. Double-click the button: turn off the total output. Power Bank for Case only, other accessories demo in the picture is not included! Specifications: Specifications: Item Type: Power Bank for Case Dual USB output: 5V/2.4A(MAX); for DC port output: 9V/2.7A (MAX); 12V/2A (MAX) (Support charging the power bank while discharging) Micro input: 5V/2A for DC port specification: DC5.5x2.1mm Battery: 7x18650(not included) Material: Plastic Size: 156x78x22mm Color: White, Black(optional) Quantity: 1 Pc Note: Tips: 18650 batteries are not included in the package, you need to purchase separately. Can only use the 3V-4.2V 18650 new battery of which positive electrode is flat top. Please pay attention to the direction of the positive and negative poles. Do not close the cover untill the test it is finished, it can not be open again if closed. Click the button: the battery level is displayed, and the blue indicator light is on. Long press the button: start DC9V output, the green indicator light is on. Long press the button again: start DC12V output, the red indicator light is on. Double-click the button: turn off the total output. Package includes: 1 x Power Bank for Case