... well this manual for future reference.EKONA 5000mah universal li-ion cell phone battery charger for 3g smartphone and all digital products Product ... features:1. Built-in high-capacity li-ion polymer battery, 5000mah, to make sure 500 times above charging cycle ... is 5V, such as: ipad, iphone3G, 4G, mobile phones, MP3, MP4, PSP, etcPacking information1, Unit size: 11.6*7.0 ...