... current:500mAcapacity:2200mahcharging time:5-6Hworking time:about 4 h(depend on brand, model, operation)cycle life:>500timesworking ... memory efficiency7, cycle life reach to 500 times8, safety and reliability9, The unit is friendly environment, safety, no ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); 2013 year cheapest portable power bank charge for mobile phone, game player,ipod,MP3,PDA,MP4