Large load capacity: Enough energy for multiple loads. Charge an iPhone Xs 3 times, a Galaxy S10 twice and an iPad mini 5 once. Unique design: The Anker PowerCore Slim 10000 external battery is covered with elegant fabric, pleasant to the touch. A cool blue LED light indicates the battery level. Fast charging technology: PowerIQ and VoltageBoost are technologies incorporated by Anker, ensuring very fast and safe charging of mobile devices. MultiProtect protection system: Protection against short circuits and electricity leaks, advanced system for the protection of your device.