i-UP 13200mAh External battery for Laptops, Notebooks, Netbooks and For Apple (iPhone 3G 3GS 4 4G, iPod Touch (1G 2G 3G 4G) All iPhones and iPods) - Blackberry (Curve, Tour, Bold, Storm, Torch, Style) - Samsung (Tablet, Vibrant, Epic, Intercept, Transform, Fascinate, Continuum, Omnia II, Behold) - Motorola (i1, Droid 2, Droid R2d2, Droid X, Droid Pro, Citrus, Devour, Defy, Cliq Xt, Charm) - HTC (Hero, Touch Pro2, EVO 4G, Droid Incredible, Ozone, Imagio) - LG (Optimus S, Optimus T, Vortex, Fathom, Ally,) - Amazon Kindle and Most GPS including Garmin Lightweight, Rechargeable Lithium Polymer Battery Extends Play Time On Portable Dvd Players, Notebook Computers, Digital Cameras 10 adapter types included: compatiable with compatible with almost all laptops from 5v - 19v Up to 5 hrs more running time depending on the netbook/notebook type. also compatiable with all devices that charge via USB just plug in your any USB charger or usb light into the usb slot LED lights indicate the level of power still in the battery