Yubi Power YP250AG 2500mAh Ultra Compact Lipstick Size Portable Power Bank Backup External Battery Charger for iPhones, Samsung Galaxy, Motorola, LG, Nokia, Blackberry, Nokia and various other smartphones- (Gold) Stylish, mini, and light-weight design; Fits easily into any bag or pocket; Compact "Lipstick" Size Capacity; Add 8 hours of talk time or one full charge to your iPhone 4 / 4S / 3G / 3GS; Add 80+ hours of audio playback or a full charge to the battery life of most mobile phone. LED indicator with three colors shows the current battery state Constructed using Samsung Grade A cells and premium microchips to ensure the highest quality. Charge time: 3-4 hours via AC 0.8A adapter (not included). Includes a 1 Year Limited Warranty