inputs.text: great modern day business person - go pilot new regs allowing ipads used flight certain circumstances backup power supply essential tested battery ipad iphone device two usb well micro usb cable ports one allowing lower amount voltage smaller devices second one ipads obviously higher voltage use product often battery life certainly not bad considering literally fit pocket purse anything also cosmetically pleasing four green leds indicate battery level nice compact black case good external battery someone never fully grid per say not always access charging station