YN4L&reg; Wall Home AC Desktop Dock Battery Charger For Standard battery for Samsung Galaxy Proclaim S720; s720c; Samsung Illusion i110; Samsung Galaxy S II 2 Attain i777 AT&T; Samsung Galaxy S II 2 i9100 Sprint; Samsung Galaxy Attain SCH-R920 MetroPCS Keep your batteries fully charged with this premium wall dock charger! Now you can charge your batteries without your phone! Dock Charger Input: AC 100 - 240 V 50/60Hz 150mA max; Output: DC 5.2V 400mA; Output USB: DC 5.0V 800 mA. Integrated microchip prevents overcharging and lengthens battery life! Rapidly charges your battery through a wall outlet. Dual Color LED Indicator lets you know when your battery is fully charged! Compatible with: Standard battery for Samsung Galaxy Proclaim S720; s720c; Samsung Illusion i110; Samsung Galaxy S II 2 Attain i777 AT&T; Samsung Galaxy S II 2 i9100 Sprint; Samsung Galaxy Attain SCH-R920 MetroPCS Package Contents: 1 Travel Dock Charger