Kastar Galaxy S2 Battery (4-Pack) and intelligent mini travel Charger ( with high speed portable USB charge function) For Samsung Galaxy S2 II GT-I9100, Galaxy S2 II i9100, Galaxy S2 II 9100G (only for i9100,NOT Compatible with Sprint galaxy s2 II Epic Touch 4G, NOT Compatible with AT&T galaxy s2 II(SGH-I777), NOT Compatible with T-moblie galaxy s2 II(SGH-T989)) Intelligent: Kastar Mini Rapid A/C Charger Features a Fold-out US Plug, 100-240V Worldwide Input Voltage, with high speed USB charge function. LCD Display: LCD Screen Indicator (25%,50%,75%,100%) lets you know that your battery charging status, when LCD Screen Indicator show 100% mean battery is full. Ultra-High Capacity: Kastar battery use high quality Japanese Cells, ulta-high capacity for longer battery life with no Memory Effect. Much Inconvience: The 2 IN 1 USB Charger can be used not only for your battery, also for almost all the smartphone and batteries. Best Guaranty: All the items Include 30-day Money Back and 3-YEAR Manufacturer Warranty.