Baidatong 038 Power Case for 9600 s5 battery case for Galaxy S5 (Black) Ergonomic, form fitting, fully protective ultra-resistant case and battery 100% Brand New Input:DC 5V 500mAh /Output:DC 5V 500mAh It can easily add 7 hours of talk time and 8 hours of web browsing time. 4 LED lights indicate the charging mode and current battery life