Just Slip you PowerGen Mobile Juice Pack Ultra into your pocket and you`ve got everything you need to give your iPhone, iPad, Kindle, Blackberry, Nokia, Motorola, Samsung, HTC, LG or other smartphones a fresh charge. The PowerGen Mobile Juice Pack Ultra adds 50 hours of additional talk time, 30 hours of Video Playback time based on iPhone 4.Quality Assurance: PowerGen Mobile Juice Pack Ultra is produced with the quality in mind! It utilizes top notch chips to provide the highest efficiency, top quality cells to assure you a long life cycle! Specs: – Average Charging Hours for Phones 1.5 hrs- Input Charging Time 5 – 6 hrs- Life Cycle > 500 Times- Input: DC 5V / 1000mA- Output: DC 5.3V / 1000mA – Dimension: 93*43*22mmCompatible with: HTC Sensation / Thunderbolt / Flyer / EVO 3D 4G / Surround / Arrive / Inspire / HD7 / EVO 4G / Incredible S / Evo Shift 4g / Aria / Gratia / Hero / HD2 / Desire S / 7 Pro / Trophy / Mozart Samsung Galaxy S 2 / Captivate / Fascinate / Vibrant / Epic 4G / Focus / Memoir / Omnia 7 / Intercept / Indulge / Transform / Moment / Galaxy S 4G / Solstice / Continuum Blackberry Curve / Storm 9530 / Storm 2 9550 9520 / Tour 9630 Style 9670 Bold 9650 9700 9780 / Torch 9800Motorola Atrix / Bionic / Droid X , X2, 2 , 3, Pro , R2D2 / Milestone / Backflip / CLIQ 2 , XT / Defy / Charm / Bravo / Xoom / triumphNokia N900 / N8 / N97 / C6 / C3 / E63 / E71 / E72 / C7 / E7 / X6 LG Optimus , 2x , V , S , T / Quantum / Vortex Google Nexus One / Nexus S Sony Experia / X1 / X10 / X8 / Arc / Neo / Play / MiniApple iPhone 4s, 4, 3Gs, 3G, 2G / iPod Touch / iPad / iPad 2Amazon Kindle Fire, and all other kindles