Samsung Galaxy S II GT-I9100 i9100 Galaxy S II 9100G - Samsung Galaxy S II SGH i777 Attain - 2X Battery + Wall Travel External Dock Battery Charger + Universal USB Car Charger + USB Data Sync Cable (NOT Compatible with Sprint galaxy s II Epic Touch 4G, NOT Compatible with T-moblie galaxy s II(SGH-T989) High Quality Batteries for Samsung Galaxy S II GT-I9100 i9100 Galaxy S II 9100G - Samsung Galaxy S II SGH i777 Attain Universal USB Car Charger with USB output. Built-in intelligent chipset, never overcharge keeps the performance and life of batteries. Micro USB Data Sync Cable External Dock Charger with USB Output with Built-in intelligent chipset, never overcharge keeps the performance and life of batteries. Compatible with: Samsung Galaxy S II GT-I9100 i9100 Galaxy S II 9100G - Samsung Galaxy S II SGH i777 Attain