Portable Power Case for ipad 1.charge apple products and mobiles 2.portable 3.extend your devices 4.1 year warranty time SpecificationReplacement battery for ipad if its built-in battery doesnot work1.1 about 1.5 times extended working hours as ipad original battery.1.2 compact enclosure to maximize the protection of your ipad and reflect your personality.1.3 built-in safety&high-capacity lithium ...