very handy&portable..received w/ factory charge of 21%..charged it to full 100% before trying..able to charge 4x : 2x ip14PM at 20%(no usage while charging), 1x ip11 at 10%(w/ usage while charging)& 1x at 20% ip14PM (w/ usage while charging)..still remaining 15%..also noticed 1%anker=4%iphone charge