RND Power Solutions Smart Universal Charger allows you to charge your device and 2nd battery simultaneously. Use the USB Port to charge your device using the USB port. Use the clip charger to charge your 2nd battery. The clip charge has adjustable contacts to fit cell phones digital cameras camcorders batteries and more. RND Power Solutions Smart Universal charger for most USB devices is compatible with but not limited to: Blackberry HTC(Desire droid Incredible EVO 4G LTE EVO View 4G G2 Gratia Hero Incredible Inspire 4G Merge myTouch 3G myTouch 4G One X One V One S Radar Rezound Sensation 4G ThunderBolt Titan Trophy 7 Vivid wildfire ) LG(Neon Prime Sentio Shine) Motorola (Atrix 4G Atrix 2 Bravo Citrus Cliq Cliq 2 Cliq XT Defy Devour Droid 3 Droid 4 Droid Bionic Droid Razr Droid Razr Maxx Droid X2 ES400 Flipside Milestone Milestone 2 Olympus MB860 Photon 4G Triumph XPRT) Nokia (Lumia (610 710 800 900) Samsung (4G LTE Droid Charge Focus Focus 2 Galaxy (Ace Beam Mini Note Nexus) Galaxy S(Captivate Epic 4G Fascinate Google Nexus S Vibrant) Galaxy S II (Epic 4G Touch Function Skyrocket) Galaxy W Galaxy Y Infuse 4G Intercept) and many more. Do not see your phone on this list? PLEASE feel free to contact us. We will be happy to assist you.