... Lithium-battery 5v 500ma universal portable power bank for smartphone,psp, gps, camera,mp3,mp4,pda/Parameter Product Name: ... Lithium battery ,over 500 times life cycleUilt-in proprietary software to control and regulate temperature, voltage and currentSmart ... ,mobile and portable5v 500ma universal portable power bank for smartphone,psp,gps, camera, mp3,mp4,pda/PhotosPackaging & Delivery Packaging ...