External 4800mAh battery charger Compatible with most electronic devices Real capacity marking CE ROHS FCC OEM portable micro usb lithium battery for mobile ... Built-in high-capacity polymer battery, 4800mah, to make sure 500 times above charging cycle. 2. High standard safety protection ... ipod, ipad, iphone, MP3, MP4, PSP, NDS, PDA…etc. The product is tiny design which more convenient to carry and let ...