Silbo LYPC-02 Portable Cell Phone Battery Universal Charger with LCD Display and USB output for Samsung: Galaxy Nexus, Galaxy S2 I9100, S I9000; HTC: Sensation, Sensation XE, EVO 3D, EVO 4G, ThunderBolt; Motorola: Verizon Droid X2; Blackberry Bold 9900, Sony Ericsson Xperia Arc S, and Many More Smart Phones Intelligent dedicated portable universal cell phone battery charger with USB output. Easy and convenient to charge a spare cell phone battery Allows charging via USB port (USB to USB cable not included). Automatically power off when the cell phone battery is fully charged Safety cut out circuit,Built-in protection circuit prevents overcharging. Constant current,constant voltage charging,automatic identification. LCD Screen indicator displays the charge status. Foldable blades make it more portable. Small and lightweight for easy storage. Fit models: Universal fit for most of the cell phone batteries.