Kastar Galaxy S4 Battery (2-Pack with NFC) and intelligent mini travel Charger ( with high speed portable USB charge function, not NFC capable) for amsung Galaxy S4, S IV, I9505, M919 (T-Mobile), I545 (Verizon), I337 (AT&T), L720 (Sprint), EB-B600BUB, EB-B600BUBESTA --Supper Fast and from USA 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.