... after 500times charge and discharge.2.It supply power for digital device like Iphone,Ipad,Samsung P1000,cell phone,mp3, ... looks beautiful,fashion.as well as it have scratch-resistant function.Product SpecificationBattery Cell Type export 18650 lithium-ion battery ... DeliveryFast delivery after place order. provide drop shipping service, door to door service.Different way to ship like EMS, DHL,UPS, ...