ERD 4000 mAh SLIM Portable Powerful Mobile Charger Powerbank is Designed for all SmartPhones in Today's world. It is high capacity power pack that provides 100% extra talk time to most smart phones with 2200 mAh to 7800 mAh of power in different models it can also charge Tablets. This universal portable power pack has a host of charging tips for all popular makes and models like Nokia, Samsung, Apple, Sony, HTC, Blackberry and other Mobile Handset Models also. It can also charge your other gadgets like handheld gaming devices, Bluetooth headsets, i-Pod, i-Pad, MP3, MP4, Digital Cameras, etc. Now Don't Let your Mobile downor Out of Battery, Charge Anywhere & Anytime With ERD & Months Warranty.